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Across
- 3. A tiny particle of light energy
- 5. A pattern of energy moving through space or matter
- 7. A tool that makes very tiny things look bigger
- 8. The wearing away of land by water, wind, or ice
- 9. The molecule inside cells that carries instructions for life
Down
- 1. A curved piece of glass that bends light
- 2. A group of living things that are the same kind
- 4. A natural solid substance found in the earth
- 6. Vibrations that travel through the air and are heard by ears