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Across
- 3. The molecule inside cells that carries instructions for life
- 5. How hot or cold something is
- 7. A pattern of energy moving through space or matter
- 8. The breaking down of rocks by weather, water, and living things
Down
- 1. A material that electricity or heat can pass through easily
- 2. The distance between one wave peak and the next
- 4. The smallest piece of matter that makes up everything
- 6. A pure substance made of only one type of atom