The Moon & Its Phases

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The Moon & Its Phases

  1. 1. The MOON & ITS PHASES<br />
  2. 2. The moon changes visible shape each night.<br />Follows a predictable pattern<br />The shapes are called phases<br />The phases last 27 days and 8 hours<br />
  3. 3. The Phases<br />Begins with NEW MOON (not visible)<br />WAXING CRESCENT<br />
  4. 4. FIRST QUARTER<br />WAXING GIBBOUS<br />
  5. 5. FULL MOON<br />WANING GIBBOUS<br />
  6. 6. LAST QUARTER<br />WANING CRESCENT<br />
  7. 7. Goes back to new moon and repeats<br />We all know…<br />The Earth revolves around the Sun<br />The moon revolves around the Earth<br />
  8. 8. When rotating…<br />The moon always has the same side facing Earth<br />This is because…<br />It takes an equal amount of time to rotate on its axis…<br />
  9. 9. …as it does to rotate the Earth<br />The phases we see are the same because of our view point from Earth<br />
  10. 10. What makes the moon visible to us?<br />The Suns reflection<br />The moon does NOT make its own light<br />
  11. 11. Depending on what position the moon is in…<br />…it determines what phase we see<br />
  12. 12. If the moon is on the opposite side of Earth from Sun…<br />…the sun reflects entire moon on the side we can see<br />
  13. 13. If the moon is between the Earth and Sun…<br />…the sun’s light hits the moon’s side we can’t see<br />
  14. 14. All the phases<br />This includes all 8 named phases, plus the shapes in-between the named phases.<br />
  15. 15. Questions to think about<br />What are all the phases?<br />How long does it take for all the phases to happen?<br />What makes the moon visible to us?<br />
  16. 16. Citations<br />Irargerich, “Big Full Moon”, April 21, 2008 via Flickr, Creative Commons License.<br />Minds-eye, “Crescent Moon 7-26-09”, July 26, 2009 via Flickr, Creative Commons License.<br />Dcysurfer, “First quarter luna (with Apollo landing sites)”, February 3, 2009 via Flickr, Creative Commons License.<br />Olibac, “lune/moon”, September 7, 2009 via Flickr, Creative Commons License.<br />Waifer X, “081106-1060460”, November 11, 2008 via Flickr, Creative Commons License.<br />Brron, “13,09,09”, September 13, 2009 via Flickr, Creative Commons License.<br />DraconianRain, “Lunar Dreams (5th to 18th March 2007)”, March 16, 2007 via Flickr, Creative Commons License.<br />

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