the moon and earth by: riley, emily, and logan miss. wilson’s class
TRANSCRIPT
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The Moon and Earth
By: Riley, Emily, and Logan Miss. Wilson’s class
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THE MOON
(A moon is any natural body that revolves around a planet)
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Size
• The moon is only ¼ the size of the Earth
• If you put them next to each other, they’d look like a basketball next to a tennis ball
• The moon is 3,474 km in diameter
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Landforms & Craters
• The moon has mountains, valleys ,soil , rocks, and dust
• If you were standing in a crater, you wouldn’t be able to tell that you were in one – they’re so big!
• The moon has so many craters because it doesn’t have an atmosphere to protect it
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Gravity
•The moon has 1/6 gravity•Gravity depends on 2 things:
•#1- the size •#2- distance between objects
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Weather & Atmosphere
• The moon has no atmosphere• Because it doesn’t have an
atmosphere, it has no weather• The moon does have ice
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Water
•The moon has little water, about 25 gallons
•Only recently scientists made the discovery of the little bit of water
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Weathering & Erosion
• There is no weathering on the moon because there is no rain, wind, or water to do the erosion.
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Time to rotate on its axis• It takes 27 days to rotate once on
its axis• In 29 ½ days it will go around the
earth once
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EARTH
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Size
• The Earth is 12,756 km in diameter • It is the 5th largest planet in our solar
system
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Landforms & Craters
• The Earth has craters, but not many• The earth doesn’t have many
because it has an atmosphere to protect it. Usually, it will burn up when it hits our atmosphere
• Some landforms on earth are: mountains, valleys, plains, etc.
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Gravity
• Earth’s gravity is 6 times larger than the moon’s
• The Earth applies to the 2 gravity rules:
• It is large in size (compared to the moon)
• It is far from the moon
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Weather & Atmosphere
• Unlike the moon the earth has an atmosphere
• It is made of 21% oxygen, 78% nitrogen, 9% argon, and 3% carbon dioxide with very small percentages of other elements
• Weather we have on Earth is: rain, snow, sleet, thunder/lightning, wind storms, etc.
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Water
• The Earth is made up of 75% of water. That is more than half!
• There is very little fresh water on the Earth; there is mostly salt water
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• The earth has many kinds of weathering and erosion:
• Water
• Ice
• Wind
• And more!!!!
Weathering & Erosion
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MORE INFORMATION
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Tides
• Tides are the gravitational pull of the moon on the Earth’s ocean
• Every day there is 2 tides: low tide, and high tide.
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Mars
• Mars is Earth’s closest friend
• It is 6,792 km in diameter
• Because Mars is our closest planet, we think of aliens being on Mars more than any planet. That is where we get the name “Martians”
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