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Across
- 2. The passing of traits from parents to their children
- 5. When a solid mixes into a liquid and seems to disappear
- 6. An object that attracts iron and some other metals
- 7. A form of energy used to power lights and machines
- 8. The slow process of living things changing over many years
Down
- 1. An educated guess about what will happen in an experiment
- 3. A test done to discover something new
- 4. The bending of light as it passes from one material to another