Across
- 4. The number of wave cycles that are completed per second.
- 5. A transfer of energy that occurs when a force makes an object move.
- 7. Sound _____ and light _____ are different types of ______.
- 9. Heat caused by the movement of molecules.
- 10. When a ball is at the top of a hill, it has _______ energy.
- 12. All of the food we eat has _______ energy. So does gasoline.
- 16. Any resource that can be replaced naturally.
- 18. When water changes to ice, it is an __________.
- 19. The distance between two peaks of a wave.
- 20. Matter that can be transferred between objects but never created or destroyed.
Down
- 1. When a ball is rolling down a hill, it has ______ energy.
- 2. Moving water has ______ energy.
- 3. Submarines sometimes run on this kind of energy.
- 6. Solar panels are powered by _____ energy.
- 8. When a balloon filled with air is let go, _______ energy happens.
- 11. Any resource that can not be replaced naturally.
- 13. The movement of electrons.
- 14. Music has lots of _____ energy.
- 15. Abbreviation for Gravitational Potential Energy which is energy of a place or position.
- 17. The highest point of a ocean wave.