Ch38 - Earth, Sun and Moon

• Phases of the Moon:

  Day 1 - New moon

  Days 2 to 6 - Waxing crescent - Increasing in size, the moon appears as a crescent.

  Day 7 - First quarter - Half of the moon is lit.

  Days 8 to 13 - Waxing gibbous - Larger than a semicircle, smaller than a full circle.

  Day 14 - Full moon - We see all of the moon.

  Days 15 to 20 - Waning gibbous - Decreasing in size.

  Day 21 - Third quarter - Half of the moon is lit.

  Days 22 to 26 - Waning crescent - Decreasing in size.

  Day 28 - New moon. Cycle repeats on Day 1.
• Lunar Eclipse - all of the moon is blocked from sunlight by Earth.

  Solar Eclipse - the moon blocks the Sun from reflecting light onto a section of Earth.