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Across
- 4. Related to the large plates that make up Earth's surface
- 5. The steps followed to do an experiment
- 6. A path that electricity travels along
- 7. All the chemical processes in your body that keep you alive
Down
- 1. A substance that living things need for energy and growth
- 2. A tiny particle of light energy
- 3. The path water takes as it moves between Earth and sky
- 4. A tool that makes far-away things look closer