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Across
- 1. A change in a living thing that helps it survive
- 3. Carefully watching and noting what happens
- 6. A sudden shaking of the ground caused by movements deep inside Earth
- 7. A path that electricity travels along
- 8. The passing of traits from parents to their children
Down
- 2. To say what you think will happen based on evidence
- 4. To sort things into groups based on their features
- 5. A pattern of energy moving through space or matter