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Across
- 1. An educated guess about what will happen in an experiment
- 5. To say what you think will happen based on evidence
- 6. To write down information for later use
- 8. Vibrations that travel through the air and are heard by ears
Down
- 1. The natural home of an animal or plant
- 2. Small pieces of rock and soil carried by water and wind
- 3. A substance that living things need for energy and growth
- 4. A quick back-and-forth movement
- 5. The steps followed to do an experiment
- 7. How tightly packed the matter is in something