Fascinating Science Words That Start With ‘I’

Here is a collection of 80+ science words and scientific terms that starts with the letter 'i'. Free printable worksheet with the list of words included. Read it now.

In this post, we are going to reveal and discuss about a few of the science words that start with letter ‘I’.

Science Words That Start with I

Science Vocabulary List of Words that start with letter ‘I’

Here are the list of things that we will cover:

Science Words related to the Particular field of studies

Every field of study has a name to tell about which particular field we are studying about. And field study names always end with a Greek word i.e. ‘ology’ which means ‘word’. Here are some science terms that are related to some particular field studies.

Iamatology: We search and opt for so many remedies to cure or prevent a particular health condition. Remedy is nothing but a substance or treatment that helps to cure a medical condition. Also, we show our concern towards therapeutics while considering a medical condition. Therapeutics is also a remedial agent that supports in treating various diseases and disorders using particular medicines. Well, Iamatology is the study of these remedies and therapeutics. The other name for Iamatology is Aceology.

Iridology: Iris is the color portion of the eye, which helps in regulating the entry of light. For ex: when you get to see bright light, iris immediately responds to close your pupil. This is because to reduce the amount of light entering your eye and thus helps to receive less light. Well, Iridology is the study of iris of eye.

On the other hand, iridology otherwise known as iridodiagnosis, is about medicinal technique of diagnosing a person’s general health. This techniques uses outlines, different colors, and other properties of iris of the eye.

Iatrology: Iatrology is the study of various medicines that treats various medical conditions. This is a rarely used medical science term.

Irenology: Peace is the state of mind where there is no enmity and violence. To put simple, peace is a freedom from fighting. Well, irenology is the study of peace.

Iatromathematics: Iatromathematics is a form of astrology through which the study of medicine happens. That means this supports the study of medicine along with astrology. Iatromathematicians are a group of physicians, tried to explore human body functions using the fundamental laws of mechanics and mathematics. These physicians said to be the part of 17th century Italy school.

Insectology: We as humans can witness a lot of insect family right from smaller to bigger size. Well, some among us show much interest to explore about an insect’s life. But is there any science to help them out in studying a particular insect or to choose studying insects as career? Yes, we do have!! i.e. ‘Insectology’. Insectology is the field of study of various insects, which tells the connection between homo-sapiens and tiny creatures.  

Ichnography: Ichnography is not a study but it is an art of illustrating true dimensions and ground plans of a building such as bed room layouts, garden plans, floor plans, etc. Ground plan may include the horizontal and vertical projections and dimensions of the work place.   

Immunopathology: Immunity system in our human body is the great invading system that fights against various bacteria, viruses, and any other foreign bodies. The study of such powerful immune responses is known as Immunopathology. In detail, it is a medical branch that study about the immune system responding to a particular disease. This study also considers the study of an organism or its organ system associated with a medical condition in regards to immunity and immune responses.

Ichnology: Ichnologyis the study of fossilized tracks, borings, burrows, trials, and other trace fossils. Trace fossils are the remains of any kind of biological activity. Ichnology is the one of the important branches of paleontology. Paleontology is the study of earlier life on earth using different types of fossils.

Immunology: Immunology is the study of immune system of all organisms structurally and functionally. It is a branch of bio-medical sciences in biology.

Ichthyology: Ichthyology is one of the main branches in zoology that studies about fishes such as bony fishes, jawless fishes, and cartilaginous fishes. This field of study considers the fishes’ growth, development, features, characteristics, and even its structure.

Immunogenetics: Immunogenetics is the scientific study of immune responses on genetic and molecular basis. That means this field of study helps to explore the relationship between genetics and immune responses. In addition, immunogenetics study right from healthy immunological pathways to mutated genetic variations which result in immune imperfections.

Iconography: Iconography is the field of study devoted for wide range of drawings or illustrations from an artist in order to learn the meanings behind those drawings. These drawings may restrict to religious things or images.

Iconology: The study of visual interpretations of social and political images and symbols is iconology.

Idiopsychology: The study of an individual’s psychology or mind functions is idiopsychology. It belongs to the branch of general medical sciences.

Idiomology: idiomology is the study of dialects, idioms, and jargons. Idioms are a group of words or phrases that express the non-literal meaning which is different from literal meaning.

Ideogeny: The world is changing with regards to every aspect because of human ideology and ideas innovatively and creatively. The study of these ideas is ideogeny.

Ideology: ideology is the scientific study of ideas and ideals. This field of study also considers the study of its origin, recognized by a person or group of persons.

You might be interested in : Interesting Science Words That Starts With ‘Q’

General Science Terms of Letter ‘I’ in Chemistry

Isomers: Isomers are the poly atomic compounds or ions that show same molecular formulas but different physical and chemical properties. Also, isomers show different arrangement of atoms with same number of them in an element.  Functional group isomers, chain isomers, and positional isomers are the types of isomers.

Isomerism: Isomerism is the occurrence of same number and type of atoms in a chemical compounds but in different arrangement plus different chemical and physical properties. However, these identical atoms surprisingly show similar molecular formula. Isomerism is mainly seen in isomers.

Ice: The solid form of water is ice. To make water ice, we need to place some amount of water in a freezer and let it sit for a few hours. Besides water, methane and ammonia are also come under ice variety because they turn solids in the outer planetary solar system. Explore science experiments with ice here.

Ionic Bond: Ionic bond otherwise well-known as electrovalent bond developed in a chemical bond due to the electrostatic forces between the oppositely charged ions. Ionic bonds are very common during the transfer of outermost electrons from one atom to neighboring atoms and attains stability.

Ionic Compound: The ions in the atoms attain electric charges i.e. either positive or negative charges because of transfer of electrons. The chemical bond between these electrically charged ions with the help of electrostatic forces forms a compound known as ionic compound.

Ideal Gas: Ideal gas, also known as perfect gas is a kind gas which follows the ideal gas law rules in regards to temperature, pressure, and volume. The ideal gas equation is:

PV= nRT,

Where P= Pressure

             V= Volume

             n= Number of gas moles

             R= Ideal Gas Constant

             T= Temperature

The molecules of gas that are negligible in size, act only at temperature changes irrespective of pressure and volume of it and have molar kinetic energy. And these gas molecules are ideal gas molecules.

Insulator: Insulator is a substance that restricts the easy flow of electrons, as a result the atoms in insulators also restricts the flow of electric charges under the impact of electric field. Wood, rubber, plastic and glass are the good insulators.

Inorganic: Chemically, the compounds that does not contain carbon are inorganic compounds. So, these compounds lack carbon-hydrogen bonds. Biologically, the substances or material that do not derive from a living matter.

Isotopes: Isotopes are the atoms in a chemical element that encompass identical number of electrons and protons but un-identical number of neutrons. Each and every chemical element contains single or more number of isotopes. Chemically, these isotopes show same atomic number in the periodic table but experiences un-identical chemical and physical properties.

Induced Dipole: Dipole-dipole interactions are the permanent and natural hydrogen bond interactions with at least one hydrogen atom. Whereas induced dipole bonds are the temporary hydrogen bond interactions happening due to induced dipoles along with permanent hydrogen bonds.  

Inert: A substance that is lacking an anticipated response both chemically and biologically is an inert substance or thing or person. Chemically, an inert substance does not react with any other substances.

Ions: An ion is an atom or molecule or group of atoms that carry either positive or negative electric charges because of loss or gain of electrons. Negatively charged ions are anions whereas positively charged ions are cations. Zwitter ions carry both positive and negative charges and hence known as neutral ions. Neutral ions carry charges at different locations throughout the molecule.

Insoluble: Insoluble is a character of a thing which does not have the capability of dissolving in the solvents even after a good mix. For example: sand and water do not mix up no matter how nicely you stir them up. A substance called as insoluble because it does not have capability to dissolve itself in solvent.

Iso Electronic: You can call a molecule iso-electronic to other molecule when these both molecules have same structure of electronic configuration. For Example: In chemistry, CO, NO +, and N. 2 are isoelectronic.

Isobars: Isobars are the group of atoms in a chemical element that has equal number of protons and neutrons. These type of atoms in chemical elements show same mass number such as argon-37 and chlorine-37. Isobars have same mass number but different atomic number.

Irradiation: The process of treating or exposing an object to radiation is ‘Irradiation’. Radiation is nothing but casting radiant energy through high beam light but it may damage living cells badly. Any type of radiation comes under irradiation class including the radiation from atomic nuclei.

General Science Terms used in Physics and Maths

Interferon: Interferon is the significant protein modulator in immune system. These fight inside human body as a defensive immune response against foreign bodies entering. The occurrence of these fighters happen inside the human body itself.

Ischemia: Ischemia is a medical condition related to blood flow restriction. If a person’s blood flow restricted only in a particular part of his/her body, then we say he/she is suffering from ischemia. It comes in use with different types based on the type of organ in which there is restricted blood flow.

Imaginary Number: Imaginary numbers otherwise known as complex numbers are the significant numbers in real-life math applications. These applications may include, solving quadratic equations, electricity bills, etc. Also, imaginary numbers play vital role in advanced calculus. As the name suggests, imaginary number is not completely imaginary but it is a real number, multiplied by an imaginary unit. The property of imaginary number is i2 = −1. For example: the imaginary number is 6i, the square value of it is −36.

Illumination: Illumination is the practise of cautious light usage (either the source can be natural or artificial) in order to make things visible clearly and brightly.

Illuminance: It is one of the most significant concept in photometry. The total amount of luminous flux used per unit area is illuminance. To put simple, it measures the amount of incident light used to illuminate a surface area per unit.

Imagination: Imagination is a mental power to imagine something in the mind which is not at all real. Imaginations support in developing creative skills which eventually help to challenge a problem. The other words for imagination include fantasy, dramatization, fictionalization, etc.

Impulse: Impulse is a sudden feeling of desiring for something in biology. In calculations, an impulse is a sudden alteration in momentum of a particular thing which impacts by force during a period of time.

Indigenous: Indigenous, a term used to a person or thing belonging to a particular birth country or place. We cannot say indigenous to a person or thing being brought from another country or place. The other alternate words for indigenous are original, home-grown, native, aboriginal, etc. Indigenous people follow place and human based ethnic cultures and rituals i.e. completely different from world’s culture.

Inertia: In physics, inertia is a tendency of an object not to move in its velocity. That means a physical object can restrict itself to any change or motion in terms of speed, velocity, direction of motion, etc.

Incandescent: Incandescent is basically a quality or state of being bright with the help of radiation emitting from a hot body. This radiation is so bright and makes things visible so clearly and brightly. Some of the examples of Incandescent source include white-hot filament in the light-bulb, White-hot iron in a forge, red burners on an electric stove, etc.

Impact: The effect of something on another person or object or situation strongly and powerfully. The vigorous contact between two objects or persons or situations that may happen in regular to long periods.

Inevitable: Inevitable is the state from which something cannot be avoided or escaped.

Inheritance: Inheritance is a process of genetic transformation of genes from one generation to next generation. It also tells the how the genetic information transfers from parents to children scientifically.

Integrity: Integrity in science field refers to an unbiased and honest procedures according to professional values and practices. In order to conduct, report and submit the results of a research scientifically.

Investigation: Investigation is a research or inquiry or examination of something scientifically. Each and every scientific research starts off with a sample and observation. These observations are the main lead to end an investigation with some outcome using scientific knowledge.

Interplanetary Space: Interplanetary in astronomy is the space between solar bodies within our solar system. The other name of it is interplanetary medium or cosmic space or celestial spaces or deep space.

Interplanetary Travel: In astronomy, interplanetary travel is the travel happening between the celestial bodies such as stars, planets, etc. But this travel happens within the single planetary system because the space between the planets is different from one planet to another.

Interplanetary Magnetic Field (IMF): Interplanetary Magnetic Field, also referred as Heliospheric magnetic field (HMF) is the significant part of magnetic field emitting from the Sun. The solar wind flow within the solar system carries away this magnetic field into the interplanetary space.

Interdependence: One organism may need other organism or living thing to survive in this world in terms of food, shelter, protection, etc. This form of dependency among various organisms is interdependence and the animal or organism interdepending is an interdependent. For example: an animal which cannot make its food will consume other animals to survive.

Interact: Interaction is an act or process of communication between two living organisms. It can happen between two persons or animals or a person and an animal. To put it simple, the process of communicating and responding to one another is interaction.

Invisible: The term invisible says to any type of living or non-living that is not visible to everyone. The concept of invisibility is much applicable in science fictions where various magical technologies usage is high to make things disappear and invisible.

Invertebrate: Invertebrates are the animals who does not have a spine or vertebrae or back bone. These type of animals fail to develop complete vertebrae system in their body. The animals except those come under subphylum vertebrata are invertebrates. In fact, majority of animals fall under this category only.

Intelligence: In terms of science, intelligence is the capacity of observing, understanding, researching, and concluding an outcome based on scientific knowledge.

Instinct: Instinct is an inherited or inborn response of a particular living creature towards the actions or behaviour of other living organism. It is a typical response to an external stimuli among living organisms. For example: Organisms responding to other ones in a group for mating, providing food, protection, etc. it depends from one animal to another animal including human beings.

Inquiry: Scientifically, an inquiry means the study of any type of living and non-living things by the scientists. And provide explanations and explorations based on their scientific research.

Instruments: Instruments are the devices that produce different types of music. There are different types of musical instruments that offer various types of music. A scientific instrument is the one which is useful for studying a sample scientifically in both natural and theoretical way. However, all types of instruments from ancient to today’s world are associated with physical science.

Immiscible: It is a property of substances which does not form homogenous mixtures in a solution. For example: Oil and water. When you put a few drops of oil in water, they both do not mix up with each other because they are immiscible.

Immortalizing Oncogene: It is a mutated gene unlike other healthy genes in the body. This mutated cells of this mutated gene causes other neighboring healthy cells cancerous resulting the individual testing positive for cancer. This oncogene may develop cancerous cells due to wrong time expression of its origin or due to mutation. Besides, these genes are the result of inheritance or when exposed to substances that cause cancerous cells.

Induction: Induction is a practise of producing electric charges, electromotive forces, and magnetism from one body who is already existing with magnetic and electric properties to another neighboring body in the absence of communication.

Induce: In science, induce is a process of introducing something into a new body through induction but on the basis of many practical and scientific observations.

Inclination: There is a particular true angle in horizontal and vertical positions between two planes or lines on the graph. If this particular angles deviate from its true positions then it is inclination. We measure inclination angles in radians and degrees.

Indicator: In chemistry, an indicator is a chemical substance that changes color and texture of another particular substance or liquid. This happens as a result of changing PH levels inside when indicator mixed up in their absorption spectra. For example: methyl yellow is an indicator works great in revealing alkaline solutions by turning it into yellow color. Litmus Paper, red cabbage juice, and phenolphthalein are the acid-base indicators.

Independent Variable: Independent variables are the variables, an experimenter or scientist changes its amount and results direct influence on dependent variable. We see independent variables in statistical modelling, mathematical modelling, and experimental sciences.

Igneous: Igneous is a characteristic of fire in general. While in geology, igneous produces under certain conditions like cooling or hardening of rocks and minerals.

Infinite: Anything endless and unlimited denoted as infinite. Or something which is bigger than anything real. ∞ is the infinity symbol used to represent boundless quantities.

Insolation: Isolation is a state of place where particular isolated conditions maintained in order to separate the sample from regular polluted locations. Biologically, isolation is a scientific procedure where a given sample of organism placed in a particular environment which is not for the entry of all.  

Intensive Property:Intensive property is the one among the two important types of physical properties of a matter which basically do not rely on the amount or size of a substance. Temperature, density, refractive index, and the thickness of an object are few examples of intensive property.

Intermolecular Force: Intermolecular forces, otherwise known as secondary forces that act between atoms with neighboring atoms or ions and creates bonds. The force of attraction or repulsion between two or more atoms in between two or more molecules is simply inter molecular force.  

Intramolecular Force: Intra molecular forces are the forces that hold atoms together through particular chemical bonds within a molecule. To put simple, the force that mediates the attraction or repulsion between two or more atoms in a molecule is an intramolecular force.

Interglacial Period: Theformation of bigger crystalline ice or snow rocks and melting of its own matter in the form of a liquid due to over-weight is glaciation. An interglacial period is the period during which there is a break for warmer global temperatures within an ice age. These periods may last for hundreds to thousands of years.  

Inference: An inference is capability of doing good guesses by observing things according to one’s educational knowledge.

In vitro: In vitro, refers to the scientific experiment or procedure that happens under laboratory conditions within the glass material such as laboratory dish or test tube. In vitro studies are helpful to study surgical procedures, instruments, and therapies and provide proof for various proof-of concept validations and clinical trials.

In vivo: In Vivo, refers to the medical procedure of testing or experimenting the sample of a living organism such as an animal or human. The use of living cells in in vivo procedures help scientists to better understand the complex sample as it stands for infinite lifespan.  

Ice Core: Ice cores, nothing but the chambers of ice layers formed due to glaciers and ice sheets over a period of time. There is occurrence of layers of ice during the build-up of ice glaciers with the help of continuous rain of snow over time. These ice layers are the best proof to provide changing climatic conditions over period of time and for scientific studies on climatic conditions of different periods.

Ice Patch: A small ground surface covered with layers of ice formation due to snow build-up is an ice patch.

Interdisciplinary Research: Interdisciplinary research is the scientific research on two or more disciplines in terms of data, scientific information on instruments, theories, concepts, and perspectives. This research helps to understand the fundamental properties of disciplines in order to solve the challenges that develop during the research practices.

Interpretation: Interpretation is the logical and scientific suggestion, or hypothesis, or inference useful for explaining something scientifically. The accuracy of scientific interpretation depends on the individual expertise and scientific knowledge.

Interstitial: Medically, it is a common term that come in use to refer anything which comes or stays in between the interspace of things such as tissue, organs, etc. within the body. For example: interstitial cystitis is a medical condition in which there is bladder wall swellings. The term is not for any particular type of organ or tissue.  

List of Inventors

Ub Iwerks: Ub Iwerks (1901-1971) invented Oswald the Lucky Rabbit and the Mouse designs. He was a popular inventor in America known for designing characters, cartoon pictures, animation, and special effects in technical world. He won a lot many awards including Academy Awards.

János Irinyi: János Irinyi was a Roman scientist who invented soundless and non-explosive matches. He also played major role in Hungarian Revolution in 1848.

Daisuke Inoue: Daisuke Inoue was a famous business man in Japan but he became more popular for inventing Karaoke machine. He received the Ig Nobel Peace Prize for both the years 2004 and 2005 and also the Most Influential Asians of the Century from Times Magazines.

Gavriil Ilizarov: Gavriil Ilizarov was a soviet physician from Russia born in 1921 and died in 1992. He was famous for inventing Ilizarov Apparatus, helpful during orthopedic surgery in order to lengthen the limb bones. The pride part of his journey was that a surgery named after his death.

Issac Newton: Issac Newton was one of the important figures in scientific revolutions and most influential of all times. He was a famous mathematician, astronomer, physicist, author, and theologian. Sir Issac Newton was best known for inventing calculus and universal gravity.

Scientific Terms That Start with I

Science Experiments that start with I

Inclined Plane Experiment: There is a lot of physics involved in inclined planes. Are you looking for simple yet quick science experiment that reveals a good demonstration for the mechanics of inclined plane? This is one such classic experiment that explains inclined plane mechanics using simple supplies around your home.

Ice Lifting with a String Experiment: An amazing science experiment perfect for children of pre-school to 4th grades. A great way to improve your child’s critical thinking and problem solving skills because it involves a lot of investigating things and scientific predictions.

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