1
2
3
4
5
6
7
8
Across
- 2. Related to the large plates that make up Earth's surface
- 5. A form of energy that allows us to see
- 7. The distance between one wave peak and the next
- 8. Vibrations that travel through the air and are heard by ears
Down
- 1. The remains of a plant or animal from long ago preserved in rock
- 3. The wearing away of land by water, wind, or ice
- 4. The force that makes magnets attract or repel
- 6. The smallest piece of matter that makes up everything