| A | B |
|---|
| chemical energy | energy that comes from a chemical change |
| hypothesis | a prediction or educated guess as to what will happen in a science experiment |
| gram | the basic unit for measuring mass |
| meter | the basic unit for measuring length |
| milliliter | the basic unit for measuring volume of a liquid |
| graduated cylinder | a tool used to measure volume of liquids |
| pan balance | a tool used to measure mass of objects |
| pulley | a simple machine that uses a rope and a wheel |
| lever | a simple machine that uses leverage to create force |
| wheel and axle | simple machine made of a wheel attached to a rope |
| inclined plane | a simple machine made of a flat surface that is higher at one end than the other |
| wedge | a simple machine that has slanted sides |
| erosion | the wearing away of material, such as rocks and soil, by the movement of water or wind |
| disperse | to spread out |
| migration | the seasonal movement of animals |
| hiberation | a period of resting, usually during the winter |
| inherited trait | a characteristic that is passed from parents to offspring |
| acquired trait | a characteristic that cannot be passed to offspring |
| adaptation | any structure or behavior that helps a living thing meet its needs |
| camouflage | any coloring, shape, or pattern that allows a living thing to blend in with its surroundings |
| decomposer | an organism that breaks down dead or decaying material |
| producer | an organism that uses sunlight to make sugar |
| carnivore | an organism that eats mostly meat |
| herbivore | an organism that eats mostly plants |
| consumer | an organism that eats other organisms |
| omnivore | a consumer that eats plants and animals |
