Across
- 2. A material that allows electricity to flow
- 5. The bouncing back of a wave
- 6. Distance divided by time gives this
- 8. The forced that pulls objects toward Earth
- 10. Unit of Force
- 11. Energy cannot be created or destroyed, only ___
- 12. A push or pull on an object
Down
- 1. The process where one plate sinks into the mantle
- 3. The bending of light or sound as it passes through something
- 4. A material that does not allow electricity to flow
- 7. The rate of doing work or transferring energy
- 9. Large, rigid pieces of the Earth's lithosphere