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Textbook pages 570-576. How Does the Moon Move? It takes about ______ for the moon to complete one revolution around Earth! It takes about ______ for.

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Presentation on theme: "Textbook pages 570-576. How Does the Moon Move? It takes about ______ for the moon to complete one revolution around Earth! It takes about ______ for."— Presentation transcript:

1 Textbook pages

2 How Does the Moon Move? It takes about ______ for the moon to complete one revolution around Earth! It takes about ______ for the moon to complete one revolution around Earth! moon sun 28 days The moon revolves around the ______ while the Earth revolves around the ______! The moon revolves around the ______ while the Earth revolves around the ______! Earth sun

3 Phases of the Moon CAUSED BY: (1) Moon’s Orbit (2) Reflected Sunlight CAUSED BY: (1) The moon’s orbit (slightly tilted) (2) Reflected sunlight PHASES of the moon are: The different SHAPES we see each night when we look at the moon! SUNLIG HT

4 CAUSED BY: CAUSED BY: (1) Moon’s Orbit (2) Reflected Sunlight Stand with one arm stretched out toward the “sun”, with the moon straight in front of you, but raised up slightly. Record what you see on the moon chart in your notes. Use the moon at your table as a model of the real moon & the lamp in the center of the room as the sun. SUNLIG HT Turning counter-clockwise, stop at each of the following positions…90 o, 180 o, 270 o … and DRAW what you see. Get ready to “ moon ” yourself!!! You will be Earth! (1) (2) (4) (3)

5 You will always see the 4 main moon phases in this order: Phases of the MoonO First Quarter & Third Quarter moons are what we SEE as “HALF MOONS”! 7 days later… 1st QuarterNew Moon 3rd Quarter (last quarter) Full Moon (2nd Quarter) NO moon! We call them quarter moons because the moon is ONE QUARTER (1/4) or THREE QUARTERS (3/4) of the way through its 28-day cycle! DC

6 More Phases of the Moon! The amount of the moon we see does not just instantly change from one phase to another after 7 days. Instead, it changes gradually (just a little bit each night). (1) (2) (3) (4) (5) (6) (7) (8) Record what you see in the chart in your notes. This time, also stop HALFWAY between each of the positions you stopped at before. Let’s “moon” ourselves one more time…

7 1st Qtr New Moon 3rd Qtr Last Qtr Full Moon 2nd Qtr Waxing Crescent Waxing Gibbous Waning Crescent Waning Gibbous D O C WAXING GROWING WAXING - lighted part of moon GROWING each night WANING shrinking WANING - lighted part of moon shrinking each night CRESCENT - smaller than a half- circle GIBBOUS - Larger than a half-circle (egg -shaped) Using the words below, let’s see if we can name each of the NEW phases you just drew…

8 The gravity of our moon is strong enough to tug the water of our planet outward causing water levels to rise & fall each day! Important MOON FACTS: The moon does NOT make its own light. It reflects light from the sun. The moon is the ONLY place we have ever sent a HUMAN to….because it is the closest object to us in our solar system! The moon is the ONLY place we have ever sent a HUMAN to….because it is the closest object to us in our solar system!

9 Water on Earth rises for about 6 hours (HIGH TIDE), & falls for about 6 hours (LOW TIDE) in a continuous cycle This happens twice each day! 2 high tides & 2 low tides each day. The GRAVITY of the moon (and sun) PULLS on Earth’s water, creating high tides. -the rise and fall of water every 12.5 hours North Pole Low Tide High Tide Moon

10 LUNAR ECLIPSE -Earth is between sun & moon (SHADOW ON MOON) SOLAR ECLIPSE - Moon is between Earth & sun (SHADOW ON EARTH) -when an object in space comes between the sun and another object SUN EARTH MOON SUNMOONEARTH


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