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Across
- 1. A pattern of energy moving through space or matter
- 4. A hard solid piece of the Earth made of minerals
- 7. The band of colors formed when white light is split
- 9. The breaking down of rocks by weather, water, and living things
- 10. How often something happens in a given time
Down
- 2. A community of living things and their environment working together
- 3. When water changes from a liquid to a gas
- 5. The remains of a plant or animal from long ago preserved in rock
- 6. Two or more atoms joined together
- 8. A push or pull that can change how something moves