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Across
- 1. A tool that makes very tiny things look bigger
- 4. The molecule inside cells that carries instructions for life
- 6. An object that attracts iron and some other metals
- 8. How tightly packed the matter is in something
- 9. When light bounces off a surface like a mirror
Down
- 2. A path that electricity travels along
- 3. A tiny particle of light energy
- 5. To study something carefully to understand it
- 7. The act of moving or changing position