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Across
- 2. A pattern of energy moving through space or matter
- 4. Vibrations that travel through the air and are heard by ears
- 7. The path water takes as it moves between Earth and sky
- 8. A push or pull that can change how something moves
Down
- 1. Facts that show something is true
- 3. The steps followed to do an experiment
- 5. The amount of matter in an object
- 6. The wearing away of land by water, wind, or ice