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Across
- 5. The tiny building block that makes up all living things
- 7. The bending of light as it passes from one material to another
- 8. A natural solid substance found in the earth
- 10. A push or pull that can change how something moves
Down
- 1. The breaking down of rocks by weather, water, and living things
- 2. A hard solid piece of the Earth made of minerals
- 3. A glass container used in science experiments
- 4. A pure substance made of only one type of atom
- 6. A sample of something used for study
- 9. The smallest piece of matter that makes up everything