Astronomy 101 Chapter 9 Crossword

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Across
  1. 5. Olympus Mons is located near the _______________ on Mars
  2. 7. Grand Canyon of Mars
  3. 9. The Moon is covered in this “powdery soil”
  4. 10. High density interior of planet
  5. 11. when an asteroid impacts a planet, the crater is this much bigger than the asteroid
  6. 14. Study of differences between geology of planets
  7. 15. Outer floating layer of a planet
  8. 16. Wind and water can create this geological process
  9. 18. One method of interior cooling where hot material rises
  10. 19. Represents the outer skin of a planet
  11. 20. Dark regions on the Moon
  12. 21. Method of interior cooling
Down
  1. 1. Process by which gravity separates materials
  2. 2. The “blueberries” on Mars contain this mineral
  3. 3. Eruptive process shaping planetary surfaces
  4. 4. Source of internal heat
  5. 6. One way interiors get hot
  6. 8. Process shaping planetary surfaces
  7. 12. Light regions on the Moon
  8. 13. This volcano is the size of Arizona, and taller than Mt. Everest!
  9. 17. This geological process can create mountain regions when plates collide
  10. 18. One method of interior cooling