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It’s Just a Phase

It’s Just a Phase. Have you noticed the Moon changes appearance each night?. Why?. I’m glad you asked!. Let’s look at the Moon!. First some important terms. Waxing – The moon appears to be getting larger. . Waning – The moon appears to be getting smaller. . Gibbous – Between half and full.

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It’s Just a Phase

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  1. It’s Just a Phase

  2. Have you noticed the Moon changes appearance each night?

  3. Why?

  4. I’m glad you asked! Let’s look at the Moon!

  5. First some important terms.

  6. Waxing – The moon appears to be getting larger. Waning – The moon appears to be getting smaller.

  7. Gibbous – Between half and full.

  8. The eight phases. New Moon

  9. The eight phases. Waxing Crescent

  10. The eight phases. First Quarter

  11. The eight phases. Waxing Gibbous

  12. The eight phases. Full Moon

  13. The eight phases. Here’s a question about the Full Moon.

  14. Does Remus Lupin have to worry about seeing a full moon during the day? Click the werewolf for an answer!

  15. The eight phases. Waning Gibbous

  16. The eight phases. Last Quarter

  17. The eight phases. Waning Crescent

  18. The eight phases. And it starts over again 29.5 days later with New Moon

  19. Take the Lunar Cycle Challenge!

  20. The Moon appears to move across the evening sky because the Earth rotates.

  21. Rotation - A planet or moon spinning on its axis. Axis Axis

  22. The Moon revolves around the Earth.

  23. Revolution - A planet revolves (circles) around the Sun.  A moon revolves (circles) around a planet.

  24. Over a month, different amounts of the Moon facing the Earth are in sunlight.

  25. Where the Moon is determines its phase.

  26. We want to look a little closer.

  27. Watch this simulation of the Moon traveling around the Earth.

  28. Let’s review the position of the Earth, Moon, and Sun and the phases of the Moon.

  29. New Moon New Moon

  30. Waxing Crescent Waxing Crescent

  31. First Quarter First Quarter

  32. Waxing Gibbous Waxing Gibbous

  33. Full Moon Full Moon

  34. Waning Gibbous Waning Gibbous

  35. Last Quarter Last Quarter

  36. Waning Crescent Waning Crescent

  37. Watch this simulation of the Moon traveling around the Earth.

  38. Now you know why the Moon appears to change shape each night.

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