Across
- 2. :A fature thet forms on the surface of a planet,such as a mountain,channel,or sand dune.
- 5. geologist :A scientists who studies the geosphere of planets in our solar system.
- 6. :The top layer of something.
- 7. :The solid part of a rocky planet
- 9. :They are raised domes with crocks reaching outward in all directions
- 10. :An object,diagram,or computer program that helps us understand something by making it simpler or easier to see.
Down
- 1. :To noticed how two or more things are alike or different.
- 3. :The mixture of gases surrounding a planet
- 4. :Planet second-closest to the sun in the solar system.
- 8. :Information about the natural world that is used to support or go against (refute) a claim.
