8th grade-Ch. 1 Sec. 3 Phases, Eclipses, and Tides

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8th grade-Ch. 1 Sec. 3 Phases, Eclipses, and Tides

  1. 1. Ch. 1 Sec. 3 Phases, Eclipses & Tides
  2. 2. motions of the moon <ul><ul><li>revolves around Earth- 27.3 days </li></ul></ul><ul><ul><li>rotates on its axis- 27.3 days </li></ul></ul><ul><ul><li>1 moon day = 1 moon year </li></ul></ul><ul><ul><li>near side always faces Earth </li></ul></ul>The Moon in its orbit around Earth.
  3. 3. &quot;Man In The Moon&quot; Best viewed during a full moon
  4. 5. phases <ul><ul><li>Moon does not produce own light- reflects sunlight </li></ul></ul><ul><ul><li>different shapes of moon you see from Earth </li></ul></ul><ul><ul><li>depends on how much of sunlit side of moon faces Earth </li></ul></ul>
  5. 6. Video of moon phases <ul><ul><li>http://www.harcourtschool.com/activity/moon_phases/ </li></ul></ul>
  6. 7. 3. waxing gibbous 6. 3rd quarter 8. new moon 4. full moon 5. waning gibbous 7. waning crescent 1. waxing crescent 2. 1st quarter 1. 2. 3. 4. 5. 6. 7. 8.
  7. 9. Phases of the Moon Activity- Using Oreos <ul><ul><li>Materials : four Oreo cookies, plastic knife, long blue construction paper </li></ul></ul><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><ul><ul><li>With your knives, scrap away the frosting to represent each phase. </li></ul></ul><ul><ul><li>Draw the phases in your notebook. </li></ul></ul>
  8. 11. Phase New moon Waxing crescent 1st quarter Waxing gibbous Drawing Oreo Phase Full moon Waning gibbous 3rd quarter Waning crescent Drawing Oreo
  9. 13. eclipse solar eclipse lunar eclipse object in space comes between sun & 3rd object- casts shadow on that object moon between Earth & sun blocks sunlight from Earth Earth between moon & sun blocks sunlight from moon occurs only during full moon occurs only during new moon
  10. 14. solar eclipse umbra = darkest part of shadow penumbra = larger part of shadow-surrounds darkest part
  11. 16. lunar eclipse partial lunar eclipse total lunar eclipse
  12. 17. tides rise & fall of water caused mainly by force of Moon’s gravity <ul><li>at any one time: </li></ul><ul><ul><li>2 places </li></ul></ul><ul><li>w/ high tides </li></ul><ul><ul><li>2 places </li></ul></ul><ul><li>w/ low tides </li></ul>
  13. 18. Spring tide Neap tide tide with greatest difference between low & high tide tide with least difference between low & high tide gravity of sun & moon pull in same direction moon is at right angle to sun occur at new moon & full moon occur at first & last quarter
  14. 19. straight line 90O angle

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