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Across
- 1. To study something carefully to understand it
- 3. When a solid mixes into a liquid and seems to disappear
- 6. How hot or cold something is
- 7. The act of moving or changing position
- 8. A community of living things and their environment working together
Down
- 2. When one substance soaks up or takes in another
- 4. To write down information for later use
- 5. A form of energy that makes things warm