Across
- 5. all the liquid water and solid water (ice) on a planet
- 7. all the living things on a planet
- 8. the mixture of gases surrounding a planet
- 9. the process of making clear how your evidence supports your claim
- 10. a long, narrow groove that forms where water, lava, or other liquid flows
Down
- 1. the solid part of a rocky planet
- 2. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
- 3. a set of interacting parts forming a complex whole
- 4. to notice how two or more things are alike or different
- 6. the process of making clear how your evidence supports your claim