Across
- 1. how high or low a note or sound is
- 6. the dark area behind an object that has blocked light
- 7. bend
- 9. bounce back
- 10. energy that moves through wires
- 11. the energy of motion
- 13. moves quickly back and forth
Down
- 1. stored energy
- 2. energy that moves from warmer objects to cooler objects
- 3. to take in
- 4. the total of its potential energy an kinetic energy
- 5. energy that travels in waves you can hear
- 8. a measure of how hot or cold something is
- 12. the ability to make something move or change
