Across
- 5. A series of back and forth movements
- 7. The bending of light as it moves from one material to another
- 10. The form of energy that moves particles of matter
- 11. The movement of heat between objects that are touching each other
- 12. The amount of energy a sound has
- 14. The highness or lowness of a sound
Down
- 1. Taken in by an object
- 2. A dark area that forms when an object blocks the path of light
- 3. An object that heat can move through easily
- 4. An object that doesn't conduct heat very well
- 6. The measure of how hot or cold something is
- 7. The bouncing of light off an object
- 8. Relating to an object that lets some light pass through
- 9. Relating to an object that lets most light pass through
- 13. Relating to objects that don't let light pass through
- 15. The movement of thermal energy from hotter to cooler objects