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4th Grade-Ch 18 Lesson 2 What are the inner planets
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4th Grade-Ch 18 Lesson 2 What are the inner planets

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  • 1. Ch. 18 Lesson 2 What are the inner planets?
  • 2. The Inner Planets
  • 3. Mercury
    • Little bigger than Earth’s moon
  • 4.
    • covered w/ craters
  • 5.
    • No atmosphere- very hot during day & cold @ night
  • 6.
    • Visited by Mariner 10 space probe
    • no moons
  • 7. Venus
    • Thick atmosphere of sulfuric acid clouds
    • No moons
  • 8. Venus
    • About same size as Earth
    • Brightest object in night sky
  • 9. Earth
    • only planet w/ life & liquid water
    • protected by atmosphere
    • 1 moon
  • 10. Mars
    • “ Red Planet”- iron oxide
    • 2 moons- Phobos & Deimos
  • 11.
    • 2 moons- Phobos & Deimos
  • 12. Mars rovers
    • Sojourner
    • Viking 1
    • Spirit & Opportunity
  • 13.
    • many volcanoes
    Mars
  • 14. Name that inner planet
  • 15. no moons
  • 16. only planet with life
  • 17. “ Red Planet”
  • 18. about same size as Earth
  • 19. 2 moons
  • 20. poisonous clouds
  • 21. no atmosphere
  • 22. brightest object in night sky
  • 23. similar to Earth’s moon
  • 24. visited by rovers
  • 25. covered with craters
  • 26. liquid water
  • 27. covered with iron oxide