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