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2
3
4
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8
Across
- 4. Something in an experiment that can be changed or measured
- 5. A substance made of two or more elements bonded together
- 7. The remains of a plant or animal from long ago preserved in rock
- 8. A form of energy that allows us to see
Down
- 1. The molecule inside cells that carries instructions for life
- 2. The force that makes magnets attract or repel
- 3. The passing of traits from parents to their children
- 6. The amount of matter in an object