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20 Cards in this Set
- Front
- Back
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How long does Earth's rotation take?
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24 hours
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Day and night are caused by what?
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the earths rotatoin
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How long does one complete revolution of Earth around the Sun take?
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One year or 365 1/4 days
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What is the cause of Earth's seasons?
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The tilt of the earths axis
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When the North end of the Earth's axis is tilted toward the sun, North America will experience what season?
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Summer
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The phase of the Moon you see depends on what?
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How much of the sunlight side of the moon's faces earth
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What positions are the Earth, Moon and Sun in during a solar eclipse?
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The moon is directly between the sun and earth
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When are the tides highest?
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When the sun, earth and moon are in a striat line
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Maria on the Moon's surface were formed by ancient what?
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Maria was fromed by lava flowing abd then over time cooling
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During what phase of the Moon can a lunar eclipse occur?
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only on a full moon
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.Tides are caused mainly by what?
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Differences in the gravity of the Moon and how it pulls on different parts of the Earth.
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What did Galileo call the pits on the surface of the Moon?
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craters
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How large is the Moon compared to Earth?
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1/4 the size of Earth
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Scientists think the Moon was formed when what occurred?
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A large object collides with Earth and ejected material combines to form the Moon.
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Why are you less likely to to see a total Solar Eclipse, than a total Lunar Eclipse?
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The Moon's umbra only covers a small amount of the Earth's surface
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.When do Neap tides occur?
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When the Earth, Moon and Sun are nearly in a line.
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The different shapes of the Moon seen from Earth are called?
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Phases
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The temperature of the Moon's surface varies greatly from day to night because the Earth has no ?
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Atmosphere
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.During a total Lunar Eclipse the Moon is in the Earth's ?
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Umbra
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Where might water be found on the Moon?
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near the poles
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