7.1.1.2.Crossword

1234567891011121314
Across
  1. 3. Source of life and heat in our Solar System
  2. 5. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
  3. 8. planet: any planet with a solid surface, such as Earth or Mars
  4. 9. 3rd planet from the Sun, also known as "Terra"
  5. 11. 4th planet from the Sun, also known as "The Red Planet"
  6. 12. an event or series of events that causes changes in the geosphere, such as flowing water or flowing lava
  7. 14. having the conditions necessary to support life
Down
  1. 1. all the living things on a planet
  2. 2. a scientist who studies the geospheres of planets in our solar system
  3. 4. all the liquid water and solid water (ice) on a planet
  4. 6. the solid part of a rocky planet
  5. 7. a set of interacting parts forming a complex whole
  6. 10. the mixture of gases surrounding a planet
  7. 13. a long, narrow groove that forms where water, lava, or other liquid flows