Fun & Easy Science Fair Projects For 1st Grade

Ultimate list of Science Fair Project ideas for 1st Graders in almost all the subjects that you can find. Dig on!!

Science fairs are a fantastic way to introduce young children to the wonders of science and foster their curiosity about the world around them. For first-grade students, science projects can be particularly engaging, as they offer a hands-on approach to learning that encourages exploration, experimentation, and discovery.

Whether your child is fascinated by animals, loves to build things, or is curious about the environment, there are countless science fair project ideas that are perfect for their age and skill level. So let’s dive in and discover the exciting world of science together!

Science Fair Projects For 1st Grade

Science Fair Projects for 1st Grade – Subject Wise

Select your interest on the subject so that you can view the list of science fair project ideas in that subject.


Earth Science



Environmental Science

Space Science

Earth and Space

With Plants

Cycle Of Life


Human Body





Projects That Won 1st Place

With Food

Using Scientific Methods

Last-minute Projects

Winning Projects

Project ideas for Boys

Project ideas for Girls

Advanced Science Fair Project Ideas



Basket Ball






Dry Ice

Egg Science

Nature Related

Electromagnetic Spectrum

With Variables


Projects to do at home

Top 10



Measurable Projects

Biology Science Fair Ideas for 1st Grade

Biology science fair projects for 1st Grade
  • Make a Plant cell using craft materials, such as paper mache, clay, or playdough
  • Model a butterfly’s life cycle using paper plates, tissue paper, and markers.
  • Construct a human body using cardboard and paper cutouts of organs.
  • Bird’s nest using twigs, grass, and clay.
  • A digestive system model using a clear plastic bag, crackers, and orange juice.
  • Model of a bee using pipe cleaners, pom-poms, and googly eyes.
  • Make a food chain using toy animals and a poster board.
  • Spider web using yarn and sticks.
  • Water cycle using a plastic cup, water, and food coloring.
  • The solar system using Styrofoam balls and paint
  • The behavior of ants and describe how they work together as a team.
  • Different types of leaves and describe their shapes and sizes.
  • Watch and record the growth of a plant over a few weeks and discuss the changes.
  • How other objects float or sink in water and explain why.
  • Describe the different types of clouds in the sky.
  • Differences between daytime and nighttime animals and how they adapt.
  • Record the lifecycle of a ladybug and discuss the various stages.
  • The behavior of birds and describe how they use their beaks to eat.
  • Compare the growth of two different types of seeds.
  • Observe the behavior of two pets, like a cat and a fish.

Earth Science Project Ideas for 1st Grade

  • Solar system and identify each planet.
  • Volcano and demonstrate how it erupts.
  • Model a watershed and explain how water flows through it.
  • Construct a beach and describe the different elements found there.
  • Build a mountain range and explain how it takes its form.
  • Cave and explain how they are formed.
  • Glacier and explain how it shapes the land.
  • Tornado and demonstrate how it develops.
  • Desert and explain how it is different from other ecosystems
  • Phases of the moon and describe the changes.
  • Compare the shapes and sizes of rocks found outside.
  • Watch the weather for a week and discuss the patterns.
  • Differences between a day and a night sky.
  • Types of soil in your backyard.
  • Changes in a plant over a week and discuss why they occur.
  • Describe the different types of clouds and their formations.
  • Effects of sun and shade on different plants.
  • Various kinds of trees in your neighborhood.
  • How water moves through different types of materials, like sand or soil

Chemistry Science Fair Ideas for 1st Grade

 Engineering Science Fair Ideas for 1st Grade

Engineering Science fair projects for 1st Grade
  • Simple machines, like a lever or pulley, explain how it works.
  • Bridge and discuss how it supports weight.
  • Windmill and explain how it converts wind energy into electricity.
  • Roller coaster Model making
  • Model of a building and how the foundation supports the structure.
  • Simple robot and how it moves to input.
  • Sailboat Model.
  • Hot air balloon and explain how it rises.
  • Car and its different parts, like wheels or engine
  • Create a catapult and its use of force to move objects
  • Different types of bridges you see in your community.
  • Watch how an object, such as a ball, bounces differently on different surfaces.
  • Observe how a kite flies in the wind.
  • How a clock or watch tells time.
  • Different materials, like wood or metal, can be used to build structures.
  • A seesaw balances weight.
  • How does a bicycle work?
  • How a ramp can help move objects.
  • Simple machines, like a screw or wedge, can be used daily.
  • Discuss how gears work together in a machine or toy.

Environmental Science Fair Ideas for 1st Grade

  • Solar oven: Use a cardboard box, aluminum foil, and plastic wrap, and use it for cooking s’mores.
  • Model of a wind turbine using cardboard, paper cups, and a pencil, and testing how much wind it takes to make the turbine turn.
  • Water filter using sand, gravel, and a plastic bottle, and test how well it filters dirty water.
  • Green roof using a shoebox, soil, and grass seeds, and observing how well the grass grows and how much water it needs.
  • Compost bin making using a plastic container, shredded paper, and vegetable scraps, and observing how the scraps break down into compost over time.
  • Rain gauge using a plastic bottle, a ruler, and a funnel, and measuring how much rain falls during a storm.
  • Terrarium uses a clear plastic container, soil, and small plants to observe how the plants grow over time.
  • Solar-powered toy car: Use a small motor, a solar panel, and a cardboard base, and observe how fast it goes in different levels of sunlight.
  • Birdhouse using a cardboard box, sticks, and glue, and observing which birds come to nest in it.
  • Make a bee hotel using a cardboard tube, paper straws, and twine, and observe which bees come to nest in it.
  • The growth of different plants under different light conditions (e.g., sunlight vs. artificial light).
  • Monitoring the temperature and humidity levels in a classroom over a day
  • Observing the behavior of ants and how they interact with each other and their environment.
  • Measuring the amount of water used by different types of plants (e.g., succulents vs. ferns).
  • Changes in a plant’s leaves over time as it grows and recording changes in color, shape, or size.
  • Amount of air pollution in different areas of a city using a homemade air quality sensor.
  • Impact of different types of litter (e.g., paper, plastic, glass) on a local park’s ecosystem.
  • Daily weather conditions (e.g., temperature, precipitation, wind speed)
  • The behavior of different types of insects (e.g., butterflies, ladybugs, bees)
  • Measuring the pH levels of different types of water (e.g., tap water, rainwater, river water)

Space Science Projects for 1st Grade

  • A solar system using Styrofoam balls and paint, and learning about the order of the planets.
  • Rocket model using cardboard, paper cups, and construction paper, and launching it with baking soda and vinegar.
  • Phases of the moon: Use Oreo cookies and observe how the moon’s appearance changes over time.
  • Space suits using paper, aluminum foil, and duct tape, and learning about what astronauts wear.
  • Space station using cardboard boxes and learning about life in space.
  • Constellation using black paper and glow-in-the-dark stickers, and learning about the stories behind the constellation.
  • Satellite using a Styrofoam ball and pipe cleaners, and learning about how satellites orbit the Earth.
  • Lunar lander using cardboard, paper cups, and aluminum foil, and learning about how astronauts landed on the moon.
  • Model of a Mars rover using a toy car and paper, and learning about the technology used to explore Mars.
  • Black hole using a black balloon and marbles, and learning about how black holes are formed.
  • Observing the moon’s phases for a month and recording their appearance in a journal.
  • Position the stars in the sky for a week and record their movement.
  • Changes in the shape and size of the sun during a solar eclipse and recording their observations.
  • The temperature of different planets in our solar system and comparing their temperatures to Earth’s.
  • Differences between day and night on Earth using a globe and a flashlight and recording changes in light and shadow.
  • Length of a shadow during different times of day and recording any changes in length.
  • Phases of Venus through a telescope and recording their appearance.
  • The appearance of a comet over the course of a week and recording any changes in its appearance.
  • The gravity of different objects using a spring scale and recording their weight.
  • Differences between the appearance of the stars in the sky during different seasons and recording any changes in brightness or position.

1st Grade Earth and Space Science Projects

  • Layers of the Earth using different colors of playdough or clay
  • Volcano using paper mache and observing how it erupts with baking soda and vinegar.
  • Water cycle using a plastic bag, water, food coloring, and learning about how water evaporates and condenses.
  • The solar system: Use ping pong balls and learn about the order of the planets.
  • Tornado using a bottle, water, and dish Soap and learning about how they form.
  • Glacier using ice cubes and clay, and learning about how glaciers move and shape the Earth.
  • Watershed using a baking sheet, dirt, and water, and learning about how water moves through the environment.
  • Earth’s magnetic field using a bar magnet and iron filings, and learning about how it protects the Earth.
  • Desert using sand and small rocks, and learning about the different plants and animals that live there.
  • Rainforest using green paper and plastic animals, and learning about the diversity of life in this ecosystem.
  • Observing how plants grow in different types of soil
  • Temperature and weather outside over a week
  • Monitoring the different types of clouds in the sky and recording their appearance.
  • Measuring the pH of different types of water
  • Observing the different types of rocks and minerals found in the environment
  • Amount of rainfall in different types of weather using a rain gauge
  • How the position of the sun changes throughout the day
  • Growth of a plant for a month and recording any changes in height, number of leaves
  • Air quality in different environments, such as near a busy street and in a park, and comparing the results.
  • Different types of birds in the environment

1st Grade Science Fair Ideas With Plants

  • Experiment to test which type of soil is best for growing plants and planting seeds in different kinds of soil
  • Different parts of a plant using construction paper or other materials
  • A hydroponic system using a plastic container, water, and plant cuttings
  • Test how light affects plant growth and placing plants in different lighting conditions
  • Making a model of a greenhouse
  • Model of a plant cell using styrofoam
  • Designing an experiment to test how different types of fertilizers affect plant growth
  • Compost bin using a plastic container and organic matter
  • Plants grow in different amounts of water
  • Growth of a plant over a month
  • Observing how different types of plants react to being placed in sunlight or shade
  • The amount of water plants release into the air through transpiration
  • How plants respond to being pruned or trimmed
  • Effects of temperature on plant growth by placing plants in different environments
  • Different types of plants respond to being fertilized
  • Amount of time it takes for seeds to germinate
  • Various types of plants respond to being grown in different types of containers, such as pots or hanging baskets.
  • Effects of different types of light on plant growth by placing plants in different lighting conditions

Cycle of Life Science Fair Ideas for 1st Grade

  • Butterfly’s life cycle using clay, paper, or other materials.
  • Use Legos to build a model of a plant’s life cycle.
  • Make a 3D model of a bird’s nest and how eggs are laid and hatched.
  • Create a diorama of a frog’s life cycle, including tadpole and adult frog stages.
  • Seed growing into a plant using cotton balls and a clear container.
  • Playdough to create a model of the life cycle of a ladybug.
  • Caterpillar turns into a butterfly using tissue paper and pipe cleaners.
  • Model of a food chain using toy animals or pictures of animals.
  • Growth of a plant from a seedling to a full-grown plant.
  • Document the life cycle of a butterfly in a butterfly habitat
  • Observe the hatching and growth of a chicken from an egg.
  • Metamorphosis and development of a tadpole into a frog.
  • Different stages of a caterpillar turning into a butterfly.
  • Watch the changes in a pond over time, including the growth of plants and animals.
  • Phases of the moon using a calendar or pictures.
  • Changes in weather patterns for a week or month.
  • Changes in a tree over a year.
  • See the changes in a bird’s nest as eggs are laid, hatched, and birds grow.

Science Fair Ideas for 1st Grade with Animals

  • Animal habitats using cardboard, construction paper, and other materials.
  • Model of an animal cell using playdough or clay.
  • 3D model of an animal using pipe cleaners and pom poms.
  • Use Legos to build a model of an animal skeleton.
  • Make an insect using paper and pipe cleaners.
  • Model of a food chain using toy animals or pictures of animals.
  • Use clay to create different types of animal footprints.
  • Bird’s nest using twigs, feathers, and other materials.
  • Animal’s life cycle using paper, markers, and pictures.
  • Use paper and crayons to create different types of animal camouflage.
  • Learn the behavior of ants in an ant farm.
  • Different types of birds that visit a bird feeder.
  • The movement of earthworms in the soil.
  • Various kinds of insects that are attracted to light at night.
  • Growth and development of a caterpillar into a butterfly.
  • Changes in a tadpole as it develops into a frog.
  • The changes in animal behavior during different seasons.
  • Different types of animals that live in a pond.
  • Watch the behavior of a pet or farm animal over time.
  • The differences between different types of animal tracks in mud or sand.

Science Fair Ideas for 1st Grade with Human Body

  • A model of the human brain using playdough or clay.
  • Skeleton using straws and cotton swabs.
  • Use cardboard and markers to make the human heart and circulatory system.
  • Tooth and the different parts of a tooth using clay or playdough.
  • Create a human digestive system using a clear plastic bag and food items.
  • Use paper and crayons to make different types of cells in the human body.
  • A human respiratory system using straws and balloons
  • Use paper plates and pictures to show the different parts of the human eye.
  • The human ear and the different parts of the ear: Use clay or playdough.
  • Make a model of the human tongue and the different taste buds
  • Observe the changes in heart rate during different types of physical activity
  • Different kinds of fingerprints of different people in the class.
  • Changes in breathing rate during different types of physical activity.
  • Differences in height and weight among different people in the class.
  • Various eye colors among different people in the class.
  • Types of food preferences among different people in the class.
  • Physical abilities among different people around you
  • Changes in skin color after being exposed to sunlight for different amounts of time.
  • Different types of hair colors among people around you
  • Differences in flexibility among your chosen sample of people

Science Fair Ideas for 1st Grade with Electricity

  • A simple circuit, but make it using a battery, wire, and lightbulb.
  • Make a switch model using cardboard, paper clips, and wires.
  • SSolar panel using cardboard and aluminum foil.
  • Simple electromagnet using a battery, wire, and a nail.
  • Make a simple motor using a battery, wire, and magnet.
  • Parallel circuit using multiple light bulbs and batteries.
  • Series circuit making
  • Simple buzzer using a battery, wire, and a piezo element.
  • Doorbell using a battery, wire, and a bell.
  • Different types of lightbulbs and their brightness levels.
  • Various types of batteries and their lifespans.
  • Observe the differences between different types of conductors and insulators.
  • Various types of switches and how they work.
  • Differences between series and parallel circuits.
  • Learn the different types of energy sources and their efficiency.
  • Understand the differences between AC and DC electricity.
  • Effects of temperature on batteries and other electrical components.
  • Types of lightbulb colors and their effects on mood and atmosphere.
  • Differences between the sounds produced by different types of buzzers and bells.

Science Fair Ideas for 1st Grade with Magnetism

  • Model of a simple magnetic field using iron filings and a magnet.
  • Compass using a magnet and a cork floating in the water.
  • Simple electromagnet using a battery, wire, and a nail.
  • Magnetic levitation train using magnets and a strip of metal.
  • Magnetic field detector using a magnet and a compass.
  • Magnetic motor using a battery, wire, and magnet.
  • Create a magnetic door latch using a magnet and a metal plate.
  • Make a magnetic jewelry clasp using magnets and metal beads.
  • Magnetic pencil holder using magnets and a metal cup.
  • Magnetic maze game using magnets and a metal board.
  • Observe different types of magnets and their strengths.
  • Differences between attracted and repelled magnets.
  • Different types of metal objects are attracted to magnets.
  • Magnetic fields between different magnets
  • Effects of distance on the strength of a magnet’s attraction.
  • Differences between the north and south poles of a magnet.
  • Effects of temperature on magnets and their strength.
  • Learn the differences between permanent magnets and temporary magnets.
  • Document the results of magnets on electronics and computer screens.
  • The uses of magnets in everyday life, such as in speakers and refrigerator doors.

 Science Fair Ideas for 1st Grade with Motion

  • Simple pulley system using string and a weight.
  • Make an Inclined plane using a board and a toy car.
  • Lever using a board and weight.
  • Balance scale using a ruler and toy weights.
  • Create a simple pendulum using a weight and string.
  • Model of a rocket using a straw and paper.
  • Roller coaster making using a tube and marbles.
  • Catapult design using popsicle sticks and rubber bands.
  • Make a model of a balloon car using a balloon and a toy car.
  • Learn the different types of motion, such as linear, circular, and back-and-forth.
  • Effects of gravity on the motion.
  • Differences between potential energy and kinetic energy.
  • Smooth and rough surfaces and their effects on motion.
  • Objects with different masses and their motion.
  • Effects of air resistance on the action.
  • Observe the differences between fast and slow motion.
  • The effects of force on the movement.
  • Rolling, sliding, and bouncing motion.
  • Various types of simple machines and their effects on motion.

Science Fair Ideas for 1st Grade with Sound

  • Make a Musical instrument, such as a kazoo or harmonica.
  • Simple speaker-making using a paper cup and a piece of wire.
  • Create a microphone using a paper cup and a wire.
  • Model of a soundproofing box using cardboard and foam.
  • Wind chime using string and paper cups.
  • Tone generator using a rubber band and a ruler.
  • Vibration detector using a balloon and a straw.
  • Sound wave generator using a slinky.
  • Tuning fork using a piece of wire and a spoon.
  • Drum using a cardboard box and balloons.
  • Different types of sound are loud, soft, high-pitched, and low-pitched.
  • Effects of distance on sound.
  • The differences between sounds made by different instruments.
  • Observe the differences between sounds made by different materials.
  • The effects of sound waves on materials, such as sand or water.
  • Sounds made in quiet and noisy environments.
  • Sound on living organisms, such as plants or animals, and its effects
  • Differences between sounds made by human voices, such as singing or speaking.
  • Observe the effects of sound on everyday objects, such as glasses or cans.
  • Various types of vibrations that create sound

Science Fair Projects That Won 1st Place (1st Grade Level)

  • Solar oven model
  • Light and plant growth
  • Water cycle model
  • Human heart model
  • Temperature and crystal growth
  • Food and bacteria growth
  • Simple machine model
  • Material types and bridge strength
  • Solar system model
  • Volcano model
  • Soil and plant growth
  • Water and plant growth
  • Detergent and cleaning power
  • Plant cell model
  • Water filtration system model
  • Water clock model
  • Magnets and magnetic field strength
  • Paper types and paper airplane strength
  • Roller coaster model
  • Music and plant growth

 Science Fair Ideas for 1st Grade with Food

  • Model of the digestive system using a plastic bag, crackers, and juice
  • Document the effects of different types of foods on mold growth.
  • Plant cells using a hard-boiled egg, food coloring, and craft supplies.
  • Rock cycle using chocolate, heat, and pressure.
  • The temperature of the melting rate of chocolate
  • Different types of drinks on tooth decay
  • Food chain using toy animals and plants.
  • Layers of the Earth using cake and frosting
  • Effects of different types of cooking oils on the smoke point
  • Various kinds of light on the growth of plants
  • Model of the water cycle using gelatin and food coloring.
  • Make a Molecule using marshmallows and toothpicks.
  • Observe the effects of different types of fruits on the color and texture of gelatin.
  • Create a volcano using fruit and candy.
  • Salt on the boiling point of water
  • Show a Solar system using fruits and vegetables.
  • Protein using spaghetti and marshmallows.
  • Types of sugar on the fermentation rate of yeast
  • Effects of different types of liquids on plant growth

 Science Fair Projects Using Scientific Method

Science Fair Projects for 1st Grade - Using Scientific Method
  • Conductivity Test
  • Liquid and Plant Growth Observation
  • Build a model of a plant’s life cycle and demonstrate how it grows with different variables like sunlight, water, and soil.
  • Volcano Eruption using baking soda and vinegar.
  • Bridge model making and testing its strength with different weights.
  • Light source and object: Demonstrate how shadows are formed with different angles and distances.
  • Sink or Float Experiment
  • Balloon Size and Temperature Observation
  • Make an airplane and demonstrate how it flies with different angles and wind speeds.
  • Magnet and demonstrate how it attracts and repels different materials.
  • Soap and Surface Tension Observation
  • Salt and Ice Melting Rate Observation
  • Pulley and demonstrate how it makes lifting objects easier.
  • Model a boat and demonstrate how it floats with different shapes and weights.
  • Sugar and Boiling Point Observation
  • Vitamin C Content Test
  • Air Pressure and Object Deformation Observation
  • String telephone and demonstrate how sound travels through different materials
  • Ramp Angle and Toy Car Distance Observation

Last-Minute Projects for 1st Graders

  • Model of a dinosaur using paper and markers
  • Make a Tornado using a plastic bottle and water.
  • The type of bird seed attracts the most birds to a bird feeder.
  • Create a volcano design using paper mache and paint.
  • Test which material insulates the best by wrapping ice cubes in different materials and measuring how long they take to melt.
  • Observe the growth of a plant with different amounts of sunlight or water.
  • Which type of paper airplane design flies the farthest?
  • Plant cells using a clear plastic bag, gelatin, and candy.
  • Effects of different types of liquid on an eggshell.
  • Note which magnet type is the strongest by seeing which can hold the most paper clips.
  • What type of fruit juice stains white fabric the most?
  • How a balloon reacts when it is placed in different temperatures
  • Effects of different types of soil on the growth of bean plants
  • Wind vane using a paper arrow and a straw.
  • Experiment with various bubble solutions, which make the strongest bubbles.
  • Which candy dissolves the fastest in water?
  • What liquid freezes the fastest
  • Different types of music on a plant’s growth.
  • Test which type of soil retains water the best
  • Different types of Soap on the growth of bacteria on hands
  • Observe the effects of different types of light on the growth of mold.

Winning Projects for 1st Grade

  • Weather Model: Create a model of different weather conditions using cotton balls, construction paper, and markers
  • Model of a butterfly’s wings using paper, paint, and glitter to show how they reflect light
  • Ecosystem Model: Create a model of an ecosystem using cardboard, construction paper, and plastic animals
  • Growth of plants placed in different amounts of sunlight to determine how much sunlight is necessary for plant growth
  • Make a Circuit using wires, batteries, and LED lights to show how electricity flows through a circuit.
  • Animal Tracks: Compare the tracks of different animals to determine what animals have been in a specific area.
  • Water quality in different bodies of water to determine how pollution affects water quality.
  • Vibrations of different objects to determine how sound travels through different materials.
  • Color Mixing: Observe and mix different colors of paint to determine what colors can be made by mixing primary colors
  • Make a model of a seedling using a clear plastic cup, soil, and seed to show how plants grow from a tiny seed.
  • Different types of soil to determine what type of soil is best for plant growth.
  • Test different objects to determine which ones are magnetic and which ones are not.
  • Measure the shadows cast by different objects to determine how the sun’s angle affects the length of shadows.
  • Worms: use pipe cleaners, yarn, and googly eyes to demonstrate how worms move and live in the soil.
  • Bubble Science: Observe and experiment with different types of bubbles to determine what factors affect the size and shape of bubbles.
  • Build a maze using cardboard, paint, and marbles to demonstrate how physics and gravity affect motion.
  • Observe and compare the growth of plants with different amounts of water and sunlight to determine what plants need to grow properly.

 Project Ideas for Boys (1st Grade)

  • Blast Off!: Building a Model Rocket
  • Cardboard Speedster: Designing a Race Car
  • Observe and measure the effects of temperature on the rate of ice melting.
  • Robot: Use cardboard, markers, and glue to show how machines can be programmed to move.
  • Robo-Adventures: Building a Cardboard Robot
  • Launch It!: Creating a Popsicle Stick Catapult
  • Let There Be Light: Examining Plant Growth
  • SubmarinE: Use plastic bottles, glue, and paint to show how submarines operate underwater.
  • Hovercraft: use a CD, a balloon, and a bottle cap to show how air pressure can lift objects.
  • Properties of different liquids, such as density and viscosity.
  • Lifting Challenge: Building a Popsicle Stick Crane
  • Different types of objects on the buoyancy of water
  • Dinosaurs: use clay or paper mache to show what scientists think they look like.
  • Treehouse: use popsicle sticks, glue, and paint to show how structures are built and supported.
  • Material Soundscapes: Testing the Acoustics of Different Materials
  • Tornado: use a soda bottle, water, and glitter to show how tornadoes form and move.
  • The strength of different types of magnets.
  • Observe and compare the color and texture of different types of soil.
  • Effects of different types of surfaces on friction.
  • Measure the effects of different types of objects on the speed and direction of air currents.

 Project Ideas for Girls (1st Grade)

  • Playdough Plant Cell
  • Bird Nest Building
  • Light and Plant Growth
  • Flower Color and Texture
  • Styrofoam Solar System
  • Food and Yeast Growth
  • Surfaces and Friction
  • Liquids and Density
  • Glittery Butterfly Transformation
  • Cup Greenhouse Growing
  • DIY Weather Vane
  • Clay Volcano Eruption
  • Objects and Buoyancy
  • Materials and Sound Waves
  • Objects and Air Currents
  • Magnets and Object Movement
  • Shoebox Butterfly Habitat
  • Water Cycle Model
  • Colorful Rainforest Diorama

Advanced Science Fair Project Ideas for 1st Grade

  • Optimal Conditions for Plant Growth
  • Seasons in Motion: Understanding Weather Patterns
  • The Power of Magnets: Exploring Magnetic Fields
  • Inside the Human Body: An Exploration of Our Anatomy
  • Unleashing the Charge: Investigating Static Electricity
  • Sounds All Around Us: The Science of Sound Waves
  • Matter Matters: Examining the States of Matter
  • The Transformative Power of Water: Liquid to Gas
  • The Light and the Dark: Understanding Light and Shadow
  • Adapt or Die: Animal Survival Tactics
  • Rainbows Revealed: The Science of Spectral Colors
  • The Gravity Games: Learning About Gravity
  • The Wonders of Space: A Study of the Solar System
  • Erupting Volcanoes: A Look at Geothermal Activity
  • Photosynthesis: How Plants Produce Food
  • Cloud Chronicles: Investigating Cloud Formation
  • The Water Cycle in Action: Understanding Precipitation
  • Push and Pull: The Effects of Air Pressure on Objects
  • Temperature Matters: Understanding Thermometers
  • Rock Revelations: Exploring the Formation of Rocks

 Astronomy Science Fair Ideas for 1st Grade

  • Miniature Solar System Model
  • Studying the Different Constellations in the Night Sky
  • Tracking the Movement of Planets Across the Sky
  • Phases of the Moon Model
  • Model Rocket
  • Model Space Station
  • Observing the Effects of Light Pollution on the Night Sky
  • International Space Station Model
  • Effects of Different Types of Telescopes on Viewing the Night Sky
  • Different Shapes of Stars
  • Model Mars Rover
  • Distance on the Appearance of Stars
  • Movement of the Sun Across the Sky
  • Model Comet or Asteroid
  • Milky Way Galaxy Model
  • Observing the Different Colors of the Planets
  • Model Black Hole
  • Supernova Explosion Model
  • Characteristics of Comets and Asteroids

 Science Fair Ideas for 1st Grade with Baking

  • Cookie Shape’s Influence on Baking Time and Texture
  • Sugar Amount’s Effect on Cake Texture
  • Oven Temperature’s Impact on Muffin Baking Time
  • Flour Type’s Influence on Cake Texture
  • Consequences of Excessive Baking Powder in Recipes
  • Importance of Ingredient Order in Baking
  • Altitude’s Effect on Baking Times and Temperatures
  • Cake Pan Shape’s Effect on Baking Time
  • Different Types of Yeast’s Effect on Bread Texture
  • Eggless Cake Baking and Texture Impact
  • Baking Soda’s Effect on Cookie Texture
  • Different Fats’ Impact on Baked Goods
  • Different Milk Types’ Effects on Cake Texture
  • Salt’s Influence on Baked Goods Texture
  • Chocolate Chip Size’s Effect on Cookie Texture and Baking Time
  • Overmixing Cake Batter and Texture Consequences
  • Baking Powder-Free Cake Baking and Texture Impact
  • Different Sweeteners’ Effect on Baked Goods Texture.

Science Fair Ideas for 1st Grade with Basketball

  • How can the size of a basketball affect how high it bounces?
  • The Effect of Basketball Temperature on Bounce
  • Air Pressure’s Impact on Basketball Bounce
  • Surface Texture’s Influence on Basketball Bounce
  • Does the material of a basketball affect how it bounces?
  • Height’s Effect on Basketball Bounce
  • Shape’s Influence on Basketball Bounce
  • Texture’s Role in Basketball Grip
  • The Relationship Between Basketball Color and Game Visibility
  • Weight’s Impact on Basketball Distance
  • Does the age of a basketball affect its bounce and grip?
  • The Trajectory of a Basketball at Different Angles
  • Backspin’s Effect on Basketball Trajectory
  • Arm Position’s Influence on Basketball Shot Trajectory
  • Force’s Effect on Basketball Speed
  • Distance’s Impact on Force Needed for Basketball Shot
  • Air Resistance’s Effect on Basketball Shot Trajectory
  • How does the elasticity of the basketball affect its bounce?
  • Does the bounce of a basketball change with repeated use?

 Science Fair Ideas for 1st Grade with Battery

  • Testing Battery Power Across Different Types
  • Building a Circuit with a Battery
  • Creating a Potato-Powered Battery
  • Understanding Solar-Powered Batteries
  • How Batteries Fuel Flashlights
  • Investigating Temperature’s Effect on Battery Life
  • What and how to make a rechargeable battery
  • Exploring Battery Performance Over Time
  • How Battery Size Affects Performance
  • Building a DIY Lemon Battery
  • Powering Radios with Batteries
  • Examining Button Battery Technology
  • How Batteries Power Remote Devices
  • Creating a Homemade Battery Tester
  • Investigating Storage’s Impact on Battery Performance
  • Understanding Alkaline Battery Technology
  • DIY Battery-Powered Fan
  • Battery Performance Across Brands
  • Understanding Lithium Battery Technology
  • How Batteries Fuel Electric Toys 

Biochemistry Science Fair Ideas for 1st Grade

  • Investigating the Growth of Plants under Different Conditions
  • The Effect of Light on Plant Growth
  • The Nutrient Needs of Plants
  • How Do Seeds Grow?
  • The Importance of Water for Plant Growth
  • Investigating the Effects of Acidic and Basic Substances on Plants
  • Effect of Temperature on the Growth of Seeds
  • The Process of Photosynthesis in Plants
  • How Do Animals Get Their Food?
  • Digestive System of Humans and Animals
  • Senses of Humans and Animals
  • Effects of Exercise on the Body
  • The Importance of Sleep for Humans and Animals
  • Role of Sugar on Tooth Decay
  • Investigating the Different Types of Bacteria
  • Importance of Hand Washing in Preventing Illness
  • Different Types of Foods and Their Nutritional Value
  • How Do We Breathe?
  • The Different Types of Blood Cells
  • Effect of Exercise on Heart Rate 

1st Grade Physics Science Fair Ideas

  • The velocity of Various Balls Rolling Down a Slope
  • Gravity’s Impact on Various Objects
  • Testing Simple Machines, Such as Levers or Pulleys
  • Marble Run and Observing Marbles’ Trajectory
  • Examining the Impact of Friction on Moving Objects
  • Make Paper Airplanes for Distance and Rate
  • Studying the Effect of Wind on Various Objects
  • Creating a Simple Water Wheel and Observing Its Operation
  • Actions of Magnets and Investigating Their Mechanisms
  • Effect of Weight on a Car’s Ramp Travel Distance
  • Constructing and Testing Simple Electrical Circuits
  • Impact of Various Materials on Sound
  •  The behavior of Light and Investigating Its Propagation
  •  Effect of Distance on Sound Volume
  • Creating a Simple Pendulum and Observing Its Behavior
  • Studying the Effect of Temperature on Liquid Behavior
  • Investigating the Effect of Shape on Object Buoyancy
  • Impact of Different Surfaces on Ball Bounce
  • Shadow Actions and Studying Their Formation Mechanisms 

Science Fair Ideas for 1st Grade with DNA

  • Building a DNA model using candy or other materials.
  • Extracting DNA from strawberries or other fruits using household items.
  • Creating a family tree using photos and exploring similarities and differences in DNA
  • Investigating inherited traits among family members, such as eye or hair color.
  • Comparing the DNA of different types of fruits or vegetables to see if they are similar or different.
  • Observing the effects of radiation or other environmental factors on DNA
  • How DNA determines the sex of an organism
  • Can Gene therapy be used to treat genetic disorders?
  • Exploring how identical twins have the same DNA but may have different traits.
  • Mutations in DNA can lead to genetic disorders.
  • DNA of different animals and exploring similarities and differences
  • Genetic traits can be passed down through generations
  • Creating a DNA fingerprint by analyzing patterns in fingerprints or hair
  • How DNA testing is used to solve crimes.
  • Role of DNA in the process of evolution.
  • Can Genetic engineering be used to modify DNA?
  • Comparing the DNA of identical and fraternal twins
  • DNA testing is used to determine paternity or maternity
  • Differences in DNA between plant and animal cells
  • DNA technology used in medicine and healthcare 

Density Science Fair Projects for 1st Grade

  • Density of Liquids
  • Simple Boat for Density and Buoyancy
  • The density of Fruits and Vegetables
  • Density of Rocks
  • Layered Density Tower
  • Temperature and Density of Liquids
  • Density of Objects
  • Pressure and Density of Objects
  • Archimedes Screw for Density
  • Density of Metals
  • Cartesian Diver for Density and Pressure
  • Salinity and Water Density
  • Lava Lamp for Density and Buoyancy
  • Density of Woods
  • Density Filter for Liquids
  • Sugar and Solution Density
  • Density of Gases
  • Waterwheel for Density and Buoyancy
  • Adding Substances and Water Density
  • Hydrometer for Density Measurement

Science Fair Ideas for 1st Grade with Dry Ice

  • Effects of Dry Ice on Water
  • Testing a Simple Dry Ice Bubble Machine
  •  Effects of Dry Ice on Different Materials
  • Make a Simple Dry Ice Fog Machine
  • Investigating the Effects of Dry Ice on Balloons
  • Creating a Dry Ice Explosion and Observing the Effects
  • Building a Simple Dry Ice Rocket
  • The Effects of Dry Ice on Food Preservation
  • Create a Simple Dry Ice Cannon
  • Creating Dry Ice Crystal Formations and Observing the Growth
  • Make a Simple Dry Ice Bubble Snake
  • Observing the Effects of Dry Ice on Sound Waves
  • Simple Dry Ice Balloon Car
  • Investigating the Effects of Dry Ice on Color Change
  • Dry Ice Volcano and Observing the Eruption
  • Effects of Dry Ice on Density
  • Observing the Effects of Dry Ice on Light Refraction
  • Simple Dry Ice Boat 

Science Fair Ideas for 1st Grade with Candy

  • Dissolving Candy in Different Liquids
  • Building a Candy Structure with Toothpicks and Marshmallows
  • Effect of Temperature on Candy
  • Making a Rainbow with Candy and Water
  • Making a Candy Maze
  • Comparing the Size of Different Candies When Dissolved in Water
  • Making Rock Candy at Home
  • Investigating the Effect of Vinegar on Candy
  • Candy Tower with Gumdrops and Toothpicks
  • Effect of Salt on Candy Dissolving
  • Building a Candy Bridge
  • Effect of Citric Acid on Candy Dissolving
  • Candy House with Graham Crackers and Frosting
  • Impact of Different Sugars on Candy
  • Make a Candy Ferris Wheel
  • Making Edible Slime with Candy
  • Microwave a candy to see what happens
  • Build a candy rollercoaster
  • Effect of Different pH Levels on Candy Dissolving

Egg Science Project Ideas for 1st Graders

  • Bouncing Ability of Hard-Boiled vs. Raw Eggs
  • Different Methods of Eggshell Dyeing
  • Effect of Vinegar on Dissolving Eggshells
  • Egg Drop Contraption to Protect Raw Eggs
  • The temperature on Eggshell Strength
  • Egg Spinner to Observe Centripetal Force
  • Effect of Different Liquids on Eggshell Dissolving
  • Egg-Powered Car to Observe Potential Energy
  • Acidic vs. Basic Conditions on Eggshell Strength
  • The density of Raw vs. Hard-Boiled Eggs
  • Effect of Time on the Bouncing Ability of Raw Eggs
  • Impact of Salt Water on Egg Buoyancy
  • Egg Geodesic Dome to Observe Structural Strength
  • Effect of Pressure on Eggshell Strength
  • Different Cleaning Methods for Dirty Eggs
  • Egg Carton Catapult to Observe Projectile Motion
  • Effect of Light on Eggshell Color
  • Various Egg Separation Techniques
  • Effect of Air Pressure on Eggshell Strength
  • Egg Balloon to Observe Air Pressure 

Earth Science Fair Projects for 1st Grade

  • Simple Volcano Model to Observe Eruptions
  • Effect of Soil Type on Plant Growth
  • Simple Wind Vane to Observe Wind Direction
  • Soil Erosion Prevention Methods
  • Effect of Water on Soil Erosion
  • Simple Rain Gauge to Measure Precipitation
  • Role of Sunlight on Plant Growth
  • Water-Holding Capacity of Different Types of Soil
  • Effect of Soil pH on Plant Growth
  • Simple Water Filtration System to Observe Water Purification
  • Properties of Different Types of Rocks and Minerals
  • Impact of Temperature on Soil Moisture
  • Simple Model of the Water Cycle to Observe Evaporation and Condensation
  • Different Types of Fertilizers on Plant Growth
  • Effect of Different Types of Rocks on Soil Quality
  • Simple Solar Still to Observe Water Distillation
  • Properties of Different Types of Soil
  • Effect of Different Types of Ground Cover on Soil Erosion
  • Simple Seismometer to Observe Earthquakes
  • Effectiveness of Different Types of Mulch on Plant Growth 
  • Building a Birdhouse and Observing Nesting Birds
  • Volcano Model and Eruption Observation
  • Simple Wind Vane for Wind Direction Observation
  • Solar System Model for Learning Planet Order
  • Ecosystem Model for Understanding Animal-Plant Relationships
  • Butterfly Model and Life Cycle Observation
  • Habitat Model for Understanding Animal Importance
  • Simple Terrarium for Plant Growth Observation
  • Beehive Model for Understanding Honey Production
  • Effects of Soil Types on Plant Growth Observation
  • Ant Behavior and Habitat Observation
  • Material Decomposition in the Environment Observation
  • Effects of Light Types on Plant Growth Observation
  • Bird Behavior at Different Times of Day Observation
  • Mold Growth on Different Types of Bread Observation
  • Effects of Temperature on Ice Melting and Freezing Observation
  • Weather Pattern Changes over Time Observation
  • Effects of Water on Seed Germination Observation
  • Growth of Crystals in Different Conditions Observation 

Science Fair Ideas for 1st Grade with Electromagnetic Spectrum

  • Effects of Light on Plant Growth
  • Simple Motor Model making
  • Effects of Ultraviolet Light on Materials
  • Make a fun Radio Model
  • Effects of Light on Object Colors
  • Simple Circuit Model
  • Electromagnet Model Making
  • Effects of Electromagnetic Waves on Metals
  • Effects of Radio Waves on Electronic Devices
  • Simple Telegraph Model
  • Design a Microwave Model
  • Manipulating Light with Different Lenses
  • Attraction and Repulsion of Magnets
  • Effects of Static Electricity on Materials
  • Electrical Conductivity of Different Materials
  • Receiving Different Types of Radio Waves with Different Antennas
  • Build a Radar Model
  • Make a Laser Model 

Science Fair Ideas for 1st Grade with Variables

  • Simple machines, such as a lever or pulley, and testing how different weights affect their function.
  • Boat and testing how different materials affect its buoyancy.
  • Bridge making and testing how different materials affect their strength.
  • Car and testing how different wheels affect its speed.
  • Plane and testing how different wing shapes affect its flight.
  • Water filtration system and testing how different filters affect its ability to purify water.
  • Greenhouse and testing how different amounts of sunlight affect plant growth.
  • Roller coaster and testing how different track designs affect the speed and thrill of the ride.
  • Windmill and testing how different wind speeds affect its ability to generate electricity.
  • Volcano and testing how different amounts of baking soda and vinegar affect the eruption.
  • Different seeds germinate under different conditions, such as temperature, light, and moisture.
  • Effects of different types of soil on plant growth.
  • Different kinds of liquids affect ice melting, such as water, salt water, and sugar water.
  • Does music affect the heart rate of people or animals?
  • Types of food affect the behavior of ants or other insects.
  • Various types of weather affect the behavior of animals, such as birds or squirrels.
  • Does Soap affect the number of bubbles produced when blown through a bubble wand?
  • Effects of different types of paper on airplane flight distance.
  • Types of objects, such as rocks or balls, roll down ramps at different speeds.
  • How different types of materials, such as cotton or wool, absorb water differently. 

Robot Science Fair Ideas for 1st Grade

  • Simple robot using cardboard, paper cups, and markers to demonstrate basic movement
  • Robots are used in medicine, such as for surgery or diagnosis.
  • Building a robotic arm using straws and string to show how robots can perform specific tasks.
  • Creating a model of a robotic animal using cardboard and markers to demonstrate different types of movement.
  • Make a simple maze for a robot to navigate using cardboard and markers.
  • How robots are used in agriculture, such as for planting or harvesting crops
  • Model of a robotic hand using cardboard, string, and straws to demonstrate how robots can interact with objects.
  • Robotic insects using cardboard and markers to show how robots can mimic nature.
  • Observing the different types of robots used in everyday life, such as cleaning robots or delivery robots
  • A robotic vehicle using cardboard and markers to demonstrate different kinds of movement.
  • How are Robots used in space exploration, such as for collecting data or conducting experiments?
  • Robotic toys using recycled materials and a motor to demonstrate how robots can be fun
  • Observing how robots are used in entertainment, such as for interactive exhibits or theme park rides.
  • Robotic plant watering system using straws and string to show how robots can perform specific tasks.
  • Robotic vacuum using cardboard and markers to show how robots can clean.
  • How robots are used in manufacturing and assembly lines
  • Observing how robots are used in transportation, such as for self-driving cars or drones.
  • Studying how robots can be programmed to perform specific tasks, such as sorting objects or stacking blocks.
  • Learning how robots can be controlled remotely, such as with a joystick or app.
  • Investigating how robots can be designed to mimic the movement and behavior of animals or insects. 

Projects to Do at Home for 1st Grade

  • Build a simple paper airplane and test which design flies the farthest.
  • Make a mini greenhouse with clear plastic cups and compare the growth of plants with and without sunlight
  • Observe how different liquids (water, oil, honey) behave when poured into a container
  • Create a model volcano and learn about chemical reactions by making it erupt with baking soda and vinegar.
  • Machine with LEGO bricks and explore how it can make work easier.
  • Construct a bridge out of popsicle sticks and test its strength by seeing how many coins it can hold
  • How objects float or sink in water and discover why some objects float and others sink.
  • Study the changes in the moon’s appearance over a month by drawing the phases of the moon each night
  • Paper plate sundial and observe how the position of the sun changes throughout the day
  • Growing plants in different soil types and determining which soil type is best for growing plants.
  • How does ice melt at different temperatures, and discover what factors affect the melting rate?
  • Watch how magnets attract and repel each other and learn about the properties of magnetism.
  • Light traveling through different materials (glass, plastic, paper)
  • Simple electric circuit with batteries, wires, and a light bulb to learn about electricity.
  • Miniature water cycle with a jar, a plate, and water to learn about evaporation and condensation
  • The behavior of ants by observing them on an ant farm or a sidewalk
  • Model the solar system using balloons or Styrofoam balls and learn about the different planets
  • Effects of gravity by dropping different objects and comparing their fall times
  • Robot with cardboard and markers and explore how it can move and respond to its environment
  • Study how Shadows change throughout the day as the position of the sun changes 

Top 10 1st Grade Science Fair Projects

  • Birdhouse Battle: Comparing Designs for Attracting Birds
  • Comparing Ants and Spiders for Prey-catching Efficiency
  •  Observing and Comparing Growth Rates of Different Types
  • Paper Power: Testing Bridges for Strength
  • Testing and Comparing Effectiveness of Sunscreens
  • Airborne Adventure: Creating and Testing Paper Planes
  • Wind Wizardry: Building and Comparing Wind Turbine Models
  • Bird Behaviors in Different Feeders
  • Parachute Prowess: Testing Descent Rates of Different Designs
  • Pet Pals: Observing and Comparing Loyalty Behaviors of Different Types
  • Comparing Melting Rates of Different Ice Creams
  • Cloud Count: Observing and Comparing Movement Patterns of Different Types
  • Effectiveness of Different Soaps for Stain Removal
  • Boat Bonanza: Building and Comparing Models for Speed
  • Car Craze: Comparing Aerodynamic Designs for Efficiency
  • Rollercoaster Rush: Building and Testing Models for Thrills
  • Rocket Race: Competing for Highest Launch
  • Solar Cook-Off: Creating and Testing Solar Cooker Models
  • Comparing Reaction Times of Different Balls
  • Plant Growth in Response to Different Music Types 

Science Fair Ideas for 1st Grade with Water

  • Sippy Cup Science: Comparing Water Flow Rates in Different Cups
  • Sink or Swim: Different Materials for Water Resistance
  • Color Splash: Testing Different Methods of Mixing Colors in Water
  • The Water Cycle: Building a Model and Exploring Its Stages
  • Ice Experiment: Melting Rates of Ice in Different Temperatures
  • Salt Solution: Investigating the Effect of Salt on Water’s Boiling Point
  • Filtration Fun: Building and Testing a DIY Water Filter
  • Water Currents: Building and Testing a Model of a Water Current
  • Underwater World: Creating a Diorama of Underwater Life
  • Osmosis Olympics: Comparing Water Movement Across Different Membranes
  • Bubble Bonanza: The Size and Durability of Soap Bubbles in Water
  • Density Discovery: The Ability of Different Objects to Float or Sink in Water
  • Color Changes: Color Changes in Water with Different Additives
  • Water Shapes: Shapes of Water Drops on Different Surfaces
  • Sound Waves: Observing Sound Waves in Water with Different Objects
  • Animal Aquatics: Comparing Swimming Techniques of Different Animals in Water
  • Cloudy Conclusions: Formation of Clouds with Water Vapor and Other Materials
  • Absorbent Abilities: Observing and Comparing the Absorbent Abilities of Different Materials in Water
  • Buoyancy Battle: Buoyancy of Different Objects in Water
  • Water Wonders: Investigating the Effects of Water on Different Materials (e.g., rust, mold, etc.) 

Science Fair Ideas for 1st Grade with Horse

  • Horseshoe Physics: Investigating the Effects of Different Shoe Designs on a Horse’s Gait
  • Feed Science: Comparing the Nutritional Value of Different Horse Feed Types
  • Different Horse Breeds and Their Characteristics
  • Horse Anatomy: Model making and Different Parts of a Horse’s Body
  • Digestion Discovery: Building a Model of a Horse’s Digestive System
  • Identifying the Different Gaits of a Horse in Motion
  • Saddle Science: Comparing the Comfort of Different Saddle Types for a Horse
  • Horse Hair: Investigating the Characteristics and Differences of Different Horse Hair Types
  • Comparing the Health of Different Horse Hoof Types
  • Observing Different Horse Coat Colors and Patterns
  • Identifying the Dietary Habits of Horses in Different Environments
  • Equine Vision: How Horses See and Perceive Their Surroundings
  • Behavior Studies: Recording Different Behaviors of Horses in Different Environments
  • Tack Test: Comparing the Durability of Different Tack Materials for Horses
  • Comparing the Different Care Practices for Horses in Different Environments
  • Stable Science: Effects of Different Stable Environments on a Horse’s Health
  • Different Emotions Displayed by Horses in Different Situations
  • Forms of Communication Among Horses
  • Health Conditions and Ailments in Horses

Measurable Projects for 1st Grade

  • Simple Scale to Measure the Weight of Different Objects
  • Measuring Height: Building a Simple Device to Measure the Height of Different Objects
  • Light Meter to Measure Different Light Levels
  • Balancing Act: Investigating the Effects of Weight on Balance
  • Measuring Force: Investigating the Effects of Different Forces on Movement
  • Simple Device to Measure the Distance Between Two Points
  • Thermometer to Measure Temperature Changes
  • Clock to Measure Time Elapsed
  • Sound Meter to Measure Different Sound Levels
  • Investigating the Effects of Different Factors on Speed
  • Measuring the Length of Shadows at Different Times of Day
  • Different Weather Patterns and Changes
  • Growth of Different Plants or Animals
  • Comparing the Volume of Different Objects or Liquids
  • Understanding the Capacity of Different Containers
  • Density measurement of Different Objects or Substances
  • Measuring the pH Levels of Different Substances
  • The Surface Tension of Different Liquids
  • Effects of Wind on Different Objects or Materials
Science Fair Projects for 1st Grade

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