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Across
- 1. A thread-like structure in cells that carries genetic information
- 5. The bending of light as it passes from one material to another
- 6. A path that electricity travels along
- 7. Two or more substances mixed together but not chemically joined
- 8. The molecule inside cells that carries instructions for life
- 9. A tool that makes far-away things look closer
Down
- 2. To write down information for later use
- 3. A sudden shaking of the ground caused by movements deep inside Earth
- 4. A unit of information that passes traits from parents to children
- 6. The part of an experiment that stays the same for comparison