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Ch. 18  Lesson 2 What are the inner planets?
The Inner Planets
Mercury <ul><li>Little bigger than Earth’s moon </li></ul>
<ul><li>covered w/ craters </li></ul>
<ul><li>No atmosphere- very hot during day & cold @ night </li></ul>
<ul><li>Visited by Mariner 10 space probe </li></ul><ul><li>no moons </li></ul>
Venus <ul><li>Thick atmosphere of sulfuric acid clouds </li></ul><ul><li>No moons </li></ul>
Venus <ul><li>About same size as Earth </li></ul><ul><li>Brightest object in night sky </li></ul>
Earth <ul><li>only planet w/ life & liquid water  </li></ul><ul><li>protected by atmosphere </li></ul><ul><li>1 moon </li>...
Mars <ul><li>“ Red Planet”- iron oxide </li></ul><ul><li>2 moons- Phobos & Deimos </li></ul>
<ul><li>2 moons- Phobos & Deimos </li></ul>
Mars rovers <ul><li>Sojourner </li></ul><ul><li>Viking 1 </li></ul><ul><li>Spirit & Opportunity </li></ul>
<ul><li>many volcanoes </li></ul>Mars
Name that inner planet
no moons
only planet with life
“ Red Planet”
about same size as Earth
2 moons
poisonous clouds
no atmosphere
brightest object in night sky
similar to Earth’s moon
visited by rovers
covered with craters
liquid water
covered with iron oxide
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4th Grade-Ch 18 Lesson 2 What are the inner planets

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

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