Energy
Across
- 2. Energy harnessed from the sun is called ______ energy.
- 4. Another name for a rainbow is a ______.
- 8. Something that produces light is called______.
- 11. Jellyfish and fireflies have ______.
- 13. We needed light and ______ to power our solar ovens.
- 15. To listen to a song, we would need to hear ______.
- 16. Sound travels in ______.
- 17. You hear sound using your ______.
- 18. Light can ______ when it bends.
- 19. ______ light does not occur in nature.
- 20. We used a ______ to refract rainbows outside.
Down
- 1. A plastic Ziploc bag is ______.
- 3. Light can ______ when it bounces off a surface.
- 5. ______ is how loud or soft you hear a sound.
- 6. A foggy car window is ______.
- 7. ______ is how high or low you hear a sound.
- 9. We made an _______ using a tube and wax paper.
- 10. Our main source of ______ on Earth is the sun.
- 12. A brick wall is ______.
- 14. One type of energy that we use is ______.