Across
- 3. What type of heat transfer is a radiant heater?
- 6. What is sound?
- 7. Boyle Who did experiments with sound?
- 9. How fast does light travel?
- 13. How does sound travel.
- 15. What is moving energy called?
- 17. Which energy do plants use to make food?
- 18. What makes a black hole bright?
- 19. What is stored energy called?
Down
- 1. What happens to energy that is "lost"?
- 2. Which particle of an atom is positively charged?
- 4. What is the energy of motion?
- 5. What carries most sound to the human ear?
- 8. What type of energy makes muscles warm?
- 10. What type of energy do muscles need to move?
- 11. Which energy do animals get from food?
- 12. What is a natural electricity?
- 14. Which particle makes electricity?
- 16. What kind of heat transfer is boiling water?