| A | B |
|---|
| gas | a state of matter that does not have a specific volume or shape and in which particles are far apart |
| gravitation | a non-contact force that pulls objects toward each other |
| gravity | the force of attraction that exists between any two objects; causes objects to have weight |
| habitat | the place in an ecosystem in which an organism lives |
| heat | the transfer of thermal energy from warmer to cooler objects |
| hervibore | an animal that eats only plants and their products |
| igneous rock | type of rock formed when lava or magma cools and hardens |
| inclined plane | a form of simple machine consisting of a slanting surface along which objects are easier to push upward than to lift straight up |
| inertia | the tendency of an object to resist a change in motion |
| investigation | a search for information |
| kinetic energy | energy due to motion |
| lever | a type of simple machine consisting of a bar that turns on a support called a fulcrum |
| life cycle | the series of stages that a living thing goes through during its growth and development |
| light | electromagnetic radiation; visible light is electromagnetic radiation we can see |
| liquid | a state of matter with definite volume but without definite shape |
| magnetic | having the ability to exert forces on certain metals and other magnets without contacting them |
| mass | the amount of matter in an object |
