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Across
- 2. The amount of matter in an object
- 5. Something in an experiment that can be changed or measured
- 6. The power that makes things move or change
- 7. A material that does not let electricity or heat pass through easily
- 8. A tiny particle of light energy
Down
- 1. The force that makes magnets attract or repel
- 3. A quick back-and-forth movement
- 4. The breaking down of rocks by weather, water, and living things