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m&m 1.6

Our Earth and Its Moon

QuestionAnswer
Earth The only planet in the solar system that is suitable for life. Atmosphere composed mostly of nitrogen and 20% oxygen
Satellites Objects that revolve around each other
Craters Large or small deep circles possibly caused by meteor collisions
Maria "seas", resembles rolling plains
Lunar month The time it takes the moon to complete its orbit around the earth
New moon When the sunlit side of the moon is turned away from earth, we see nothing
Waxes When the moon grows larger until its half light and half dark
First-quarter moon When the moon is done waxing, we see half
Crescent moon When the visible moon is waxing from the new moon to the first-quarter moon
Full moon When we see the entire sunlit side of the moon
Gibbous When the visible moon seems to bulge as it waxes from first quarter to full
Wanes When the visible moon shrinks from the full moon
Solar eclipse when the new moon moves directly between the sun and the earth, blocks the sun
Lunar eclipse When the moon is darkened as it passes through the earth's shadow, blocks the moon
High tide When the water of the ocean rises until it reaches its highest point, pulled by moon
Low tide When the water of the ocean falls until it reaches its lowest point
Spring tide When the sun and moon are in line with the earth, the gravitational pull of the sun teams up with the gravitational pull of the moon
Neap tides When the sun and a first or third-quarter moon are in line with the earth the gravitational pull of the sun and the moon work against eachother - weak tides.
Created by: Jer Stephens
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