Across
- 4. a scientist who studies the geospheres of planets in our solar system
- 5. all the liquid water and solid water (ice) on a planet
- 7. the solid part of a rocky plane
- 13. the mixture of gases surrounding a planet
- 14. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
- 15. the process of making clear how your evidence supports your claim
- 16. any planet with a solid surface, such as Earth or Mars
Down
- 1. having the conditions necessary to support life
- 2. to notice how two or more things are alike or different
- 3. an event or series of events that causes changes in the geosphere, such as flowing water or lava
- 6. all the living things on a plane
- 8. a claim supported by evidence
- 9. information about the natural world that is used to support or go against (refute) a claim
- 10. a proposed answer to a question about the natural world
- 11. an object, diagram, or computer program that helps us understand something by making it simple
- 12. a long, narrow groove that forms where water, lava, or other liquid flows
