Across
- 2. these show the presence of energy [sound, light, temperature change (heat), motion of objects, and electrical energy]
- 4. the distance from one wave peak to the next,measured from peak to peak
- 5. when one form of energy changes to another; produces changes in indicators of energy
- 6. when two objects hit each other
- 8. the distance an object moves in a certain amount of time
- 10. (noun)–a way organisms receive information about their environments
Down
- 1. a device that transforms motion energy into electrical energy
- 3. the process by which energy moves from one part to other parts of a system
- 7. a group of objects that interact
- 9. something necessary to make things happen