What are some science words that start with i?

Some science Words that start with the letter "i" include "ion," which refers to an atom or molecule with a net electric charge due to the loss or gain of electrons, and "isotope," which denotes variants of a chemical element that have the same number of protons but different numbers of neutrons. Other examples are "inertia," a property of matter that describes its resistance to changes in motion, and "immunology," the study of the immune system and its responses.