1
2
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9
Across
- 4. To write down information for later use
- 5. When a gas cools and turns back into a liquid
- 6. A tool that makes far-away things look closer
- 8. Two or more substances mixed together but not chemically joined
- 9. The invisible force that pulls things toward the Earth
Down
- 1. Two or more atoms joined together
- 2. The upward force that makes things float in water
- 3. An object that attracts iron and some other metals
- 7. A pure substance made of only one type of atom