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Across
- 3. A mountain with an opening that can erupt hot lava
- 6. A natural solid substance found in the earth
- 7. Two or more substances mixed together but not chemically joined
- 8. A thread-like structure in cells that carries genetic information
Down
- 1. The act of moving or changing position
- 2. A tool for measuring temperature
- 4. A gas in the air that living things need to breathe
- 5. Facts and information collected from experiments