Across
- 6. machine with lots of parts (2 words)
- 10. a push or pull
- 12. change in position of an object
- 13. a test used to test a theory about something
- 14. energy of motion
- 16. how marbles transferred energy on the roller coaster
Down
- 1. used in our model of a roller coaster
- 2. different storage of energy for use later
- 3. how fast something is moving
- 4. Hill energy
- 5. invisible force pulling towards the earth
- 7. storage energy for use later
- 8. energy that is not in use but inside something is _____
- 9. repeated tests of an object
- 11. the ability to do an action
- 15. when energy goes to another object
