4th Grade Ch. 17 Lesson 2 What Patterns Can You See in the Sky

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4th Grade Ch. 17 Lesson 2 What Patterns Can You See in the Sky

  1. 1. Ch. 17 Lesson 2 What patterns can you see in the sky?
  2. 2. Moon <ul><li>Orbit around Earth= ellipse </li></ul><ul><li>Revolution= 27.3 days </li></ul><ul><li>Rotates on axis= 27.3 days </li></ul>
  3. 3. The same side of the Moon is always facing Earth.
  4. 4. phases <ul><li>different shapes of moon you see from Earth </li></ul><ul><li>Moon does not produce own light- reflects sunlight </li></ul><ul><li>depends on how much of sunlit side of moon faces Earth </li></ul>
  5. 5. Phases of the Moon animation
  6. 7. Phases of the Moon Activity- Using Oreos <ul><li>Materials : four Oreo cookies, plastic knife, long blue construction paper </li></ul><ul><li>On a paper plate, make a chart showing New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter, and Waning Crescent, using Oreos. </li></ul><ul><li>With your knives, scrap away the frosting to represent each phase. </li></ul><ul><li>Draw the phases in your notebook. </li></ul>
  7. 9. NASA eClips video-Our World- The Moon
  8. 10. eclipse solar eclipse lunar eclipse object in space comes between sun & 3 rd object- casts shadow on that object <ul><li>moon between Earth & sun </li></ul><ul><li>Moon casts shadow on Earth </li></ul><ul><li>Earth between moon & sun </li></ul><ul><li>Earth’s shadow </li></ul><ul><li>blocks sunlight from moon </li></ul>
  9. 11. lunar eclipse partial lunar eclipse total lunar eclipse
  10. 12. stars <ul><li>Hot balls of gases </li></ul><ul><li>1 billion, trillion stars </li></ul>
  11. 13. Sun <ul><li>medium sized star </li></ul><ul><li>can’t see stars during day </li></ul>
  12. 14. constellation <ul><li>star patterns </li></ul><ul><li>88 constellations </li></ul>
  13. 15. constellations <ul><li>appear to rise in east & set in west b/c Earth rotates on its axis </li></ul>
  14. 16. Orion This is Orion the hunter. You can see him in winter.
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