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Across
- 2. An object that attracts iron and some other metals
- 4. Small pieces of rock and soil carried by water and wind
- 5. Any living thing such as a plant or animal
- 7. A gas in the air that living things need to breathe
- 8. A pure substance made of only one type of atom
Down
- 1. When water changes from a liquid to a gas
- 3. A glass building for growing plants or the warming effect on Earth
- 6. The invisible force that pulls things toward the Earth