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Across
- 1. The steps followed to do an experiment
- 7. The rate at which something speeds up
- 8. To write down information for later use
Down
- 2. A pure substance made of only one type of atom
- 3. How hot or cold something is
- 4. The power that makes things move or change
- 5. The amount of matter in an object
- 6. Vibrations that travel through the air and are heard by ears