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Across
- 3. To study something carefully to understand it
- 8. The force that slows things down when they rub together
- 9. A form of energy that makes things warm
Down
- 1. The path water takes as it moves between Earth and sky
- 2. The force that makes magnets attract or repel
- 4. Facts that show something is true
- 5. An educated guess about what will happen in an experiment
- 6. A quick back-and-forth movement
- 7. A natural solid substance found in the earth