Earth in Space Year 7
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Last updated 12:37 AM on 11/24/22
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12 Terms
1
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The Solar System
A collection of 8 planets and their moons in orbit around the sun
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Galaxies
A group of stars and planets all clustered together.
3
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Summer solstice
Day with the most daylight hours
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Winter solstice
Day with fewest daylight hours
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What causes the seasons?
The earth's tilted axis in relation to the Sun?
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What causes the tides?
The moon's gravitational pull on the earth.
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How long does it take for the earth to complete one rotation around it's axis?
24 hours.
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How long does it take the moon to complete one revolution around the earth?
27 days
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How long does it take the earth to complete one revolution around the Sun?
365 1/4 days
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Which famous scientist was imprisoned for arguing that the planets revolved around the Sun?
Gallileo
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How many stars are there in our Solar system?
More than 1 billion
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What are the 8 phases of the moon?
New moon, crescent moon, quarter moon, Gibbous moon, full moon, Gibbous moon, quarter moon, crescent moon
