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Across
- 2. Something in an experiment that can be changed or measured
- 4. A push or pull that can change how something moves
- 6. The invisible force that pulls things toward the Earth
- 7. The amount of matter in an object
- 8. A material that electricity or heat can pass through easily
Down
- 1. Facts and information collected from experiments
- 2. The speed of something in a given direction
- 3. To write down information for later use
- 5. A pure substance made of only one type of atom