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Across
- 2. To say what you think will happen based on evidence
- 6. A sample of something used for study
- 7. Two or more substances mixed together but not chemically joined
- 8. A unit of information that passes traits from parents to children
Down
- 1. The invisible force that pulls things toward the Earth
- 3. A tool that makes far-away things look closer
- 4. A pure substance made of only one type of atom
- 5. To study something carefully to understand it