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Across
- 3. The passing of traits from parents to their children
- 4. The smallest piece of matter that makes up everything
- 6. Any water that falls from clouds such as rain, snow, or hail
- 7. Two or more substances mixed together but not chemically joined
- 8. A glass building for growing plants or the warming effect on Earth
Down
- 1. Any living thing such as a plant or animal
- 2. The part of an experiment that stays the same for comparison
- 5. A glass container used in science experiments