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Across
- 2. An educated guess about what will happen in an experiment
- 5. The smallest piece of matter that makes up everything
- 6. A material that electricity or heat can pass through easily
- 7. The amount of matter in an object
- 8. A substance made of two or more elements bonded together
Down
- 1. A chemical change when substances interact
- 3. A material that does not let electricity or heat pass through easily
- 4. The upward force that makes things float in water