Across
- 1. stored energy
- 4. to take in
- 8. Energy energy that moves through wires
- 11. to bounce back
- 14. the type of surfaces that reflect light
- 15. energy that makes it possible to hear
- 16. the measure of how hot or cold something is
- 17. the dark area behind an object that has blocked light
- 18. the type of objects that slow light and refract it
- 19. how light travels until it hits and object
Down
- 2. tool used to measure temperature in degrees
- 3. to bend
- 5. objects that block light, absorb it, and sometimes produce a shadow
- 6. energy that moves from warmer objects to cooler objects
- 7. rubbing two things together to produce heat
- 9. the total of an objects potential and kinetic energy
- 10. the energy of motion
- 12. energy that helps us see the world around us, can also give off heat
- 13. the ability to make something move or change