Unlock the secrets of the natural world with these winning biology science fair project ideas.
Whether you’re interested in microorganisms, plant growth, or human anatomy, this list has something for everyone.
These project ideas are not only informative and intriguing, but also provide an opportunity to showcase your scientific skills and understanding.
Get ready to impress your judges and inspire your peers with these top-notch biology science fair project ideas.
Biology Science Fair Ideas – Grade Levels
Select the grade level specific to your requirement to go over the list of exciting and unique science fair projects.
Biology Science Fair Projects For Middle School
- Biology Science Fair Projects For 5th Grade
- Biology Science Fair Projects For 6th Grade
- Biology Science Fair Projects For 7th Grade
- Biology Science Fair Projects For 8th Grade
Biology Science Fair Projects For High School
- Biology Science Fair Projects For 9th Grade
- Biology Science Fair Projects For 10th Grade
- Biology Science Fair Projects For 11th Grade
- Biology Science Fair Projects For 12th Grade
- Biology Science Fair Projects – College Level
Award Winning Biology Science Fair Projects
Check out our Winning list of Physics Science Fair Projects & Chemistry Science Fair Projects
Biology Science Fair Projects For Middle School
Here is the list of our science fair projects designed specifically for middle school students to make them learn Biology with fun!
Biology Science Fair Projects For 5th Grade
1. Animal Pyramid Working Model for land, air and water
2. Making a plant cell model
3. Making conservation of bird model
4. Making the life cycle model of a bird
5. Making a frog life cycle model
6. Making a 3-d model of the human digestive system
8. Making a 3-D Spinal cord model
9. Making a model of a section of the tooth
10. Making a 3-d model of mitochondria
11. Making a 3D model coronavirus
12. Fight coronavirus model
13. Making a 3D model of a fungi
14. Colour Changing Flowers Experiment
15. Demonstrating different parts of a plant
16. Making a 3D model of amoeba
17. Making a 3-D root structure model
Biology Science Fair Projects For 6th Grade
18. Growing plants without soil
19. Transpiration bell jar experiment
20. Building a ripe produce detector
21. Making a model of the food chain
22. Prove respiration in plants experiment
23. ‘Plants on the move’ experiment
24. Demonstrating geotropism in plants
25. Magic Bending Bone Experiment
26. Measuring the rate of photosynthesis
27. 3D Model of Ladybug Lifecycle
28. Testing for starch in plants
29. Demonstrating the sticking power of germs
30. Working model of photosynthesis
31. Seed germination experiment
32. Making a candy animal cell
33. 3-D model of the life cycle of a butterfly
Biology Science Fair Projects For 7th Grade
35. Making a 3-d model of the human circulatory system
36. Making a 3-d model of the human respiratory system
37. Making the working model of a kidney
38. Demonstrating how camouflage protects insects from their predators
39. Creating biofuel from waste
40. Osmosis experiment using potato
41. Making a pulse counter
42. Working model of the human heart
43. Evaporation experiment
44. Brain on the plate using clay
45. A model of different types of pollution
46. Thirsty flower experiment
47. Demonstrating the effect of food colouring on plant cell growth
48. Microwave Water Plant Experiment
Biology Science Fair Projects For 8th Grade
49. Making a neuron model
50. 3D working model of the human eye
51. Making an ozone layer model
52. Diffusion experiment
53. Model of a DNA strand
54. Demonstrating how animals stay warm
55. How do penguins stay warm and dry
56. Making a heartbeat clock
57. Effect of pepper extract on the growth of sunflower
58. Making a 3-D pollination model
59. Types of blood groups in human beings
60. Explaining Sickle Cell Anemia and its Prevention
61. Making a 3D model of the female reproductive system
Biology Science Fair Projects For High School
Below is a list of our Biology science fair projects that demands a higher level of thought process and may need adequate safety measures for flawless execution.
Biology Science Fair Projects For 9th Grade
62. Demonstrating anaerobic respiration in plants
63. Making a 3-D model of chromosome
64. Leaf Chromatography experiment
65. Wet and dry worm experiment
66. Making a bio-luminescent lamp
67. Making a model of the water cycle
68. Mall’s half-leaf experiment
69. Easy capillary action movement
70. Demonstrating the importance of cell membrane using a balloon
71. Leaves changing colour experiment
72. Making a seed board
Biology Science Fair Projects For 10th Grade
73. Making a 3-D model of a section of skin
74. Making an animal diorama
75. Creating biodegradable plastic
76. Making a 3D biodiversity model
77. Demonstrating leaves give out oxygen
78. Making a pollution catcher using petroleum jelly
Biology Science Fair Projects For 11th Grade
79. Finding out whether leaf size matters in plant transpiration rate
80. Does cigarette smoke affect plant growth
81. Do carnivores plants prefer certain types of insects
82. Create a Robotic Articulated Hand
83. Finding out can plant be genetically resistant to heavy metals
84. Demonstrate how the coronavirus affects our cells
85. Banana DNA extraction
86. Explaining what Genetically Modified Organisms
87. Demonstrating the usefulness of microorganisms using a 3D model
Biology Science Fair Projects For 12th Grade
88. Making a 3-D Diaphragm model
89. Hydroponics farming working model
90. Hemodialysis working model
91. Making a miniature greenhouse farming model
92. Working model of a human arm
93. Demonstrating how DNA fingerprints are unique
Biology Science Fair Projects – College Level
94. How corona vaccine works
95. Miniature botanical garden model
96. 3-D drip-irrigation model
97. Making a solar-operated seed-sowing machine
98. Making a vertical farming model
99. Growing plants in micro-gravity
100. Uncovering hidden sugar in food
101. Finding out why all medicines are not pills.
102. Making a sea habitat diorama
Award Winning Biology Science Fair Projects
It is true that some Biology projects at science fairs are innovative and end up winning awards. Here, look at some award-winning science fair projects that may inspire and excite you or instil a newfound love for Biology.
103. Making a plastoscope with plastic bottles
104. Demonstrating the role of planktons in marine life
105. Potential of rose petals in boosting the efficiency of solar cells
106. Demonstrating the importance of handwashing
107. Demonstrating the side of the leaf that takes in carbon-dioxide
108. Harvesting transparent and flexible energy using Bi-Layer Graphene
Try our list of science fair resources for project boards and project labels to present your winning science fair project.
