Term
| One complete revolution of Earth around the sun |
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| One complete rotation of Earth on its axis |
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| Earth's rotation on its axis |
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| Longest and Shortest days of the year; June 21, Dec 21; Sun directly overhead at 23.5 N or S |
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| sun directly overhead at equator, Mar 21, Sep 23 |
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| Earth rotates in this direction |
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| What North America experiences when the northern end of Earth's axis tilts towards the sun. |
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Definition
North America experiences summer.
Sun's rays are more direct.
Days are longer. |
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| caused by differences in how much the moon's gravity pulls on different parts of the Earth. |
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during full moon and new moon phases
Sun, Moon and Earth are in a line. |
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| Full cycle of phases of the moon |
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| sun and moon pull at right angles to eachother (lease difference between high and low tides) |
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Term
| We see the moon from Earth because |
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Definition
| sunlight reflects off of the moon |
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Term
| We see the same amount of the lighted side of the moon |
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Definition
| during the first and third quarter phases |
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| The lighted side of the moon increases |
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Definition
| during new moon phase to full moon phase |
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| when the moon is directly between the Earth and sun |
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| moon formed when a large object struck Earth and material from both bodies combined |
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Term
| Order of the phases of the moon |
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Definition
| New moon-waxing crescent-first quarter-waxing gibbous-full moon-waning gibbous-third quarter-waning crescent-new moon |
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Definition
| due to the tilt of earth on its axis and its relation to the sun |
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| It is warmer near the equator |
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Definition
because the sun's reay are more direct.
Rays are more spread out as you get near the poles making it colder there. |
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