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Across
- 2. A state of matter that spreads to fill any space
- 5. Two or more substances mixed together but not chemically joined
- 6. The molecule inside cells that carries instructions for life
- 7. The amount of space something takes up
Down
- 1. An object that attracts iron and some other metals
- 3. Something in an experiment that can be changed or measured
- 4. A group of living things that are the same kind
- 5. The amount of matter in an object