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Across
- 3. The wearing away of land by water, wind, or ice
- 7. A community of living things and their environment working together
- 8. Facts that show something is true
Down
- 1. How hot or cold something is
- 2. A final decision reached after studying results
- 4. The invisible force that pulls things toward the Earth
- 5. A tool for measuring temperature
- 6. The steps followed to do an experiment