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Definition
| The imaginary line that passes through Earth's center and comes out on either side of the North and South Pole. |
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Definition
| The spinning motion of a planet around it's axis (row, row, row your boat). |
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Definition
| The movement of one object around another object (neighborhood) |
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Definition
| The path of an object as it revolves around another. |
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Term
| Each 24 hour cycle of day and night is called a _____. |
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Definition
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| What causes day and night? |
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Definition
| Earth's rotation on its axis. |
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| Why does Earth have seasons? |
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Definition
| Because its axis is tilted as it moves around the sun. |
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| Each of the 2 days of the year when the sun is overhead at either 23.5 south or 23.5 north is called a _____. |
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| Each of the 2 days of the year when neither hemisphere is tilted toward or away from the sun is called ____. |
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Term
| The autumn equinox is on what day of the year? |
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| The vernal equinox (or spring equinox) is on what day of the year? |
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Definition
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Term
| What is the length of daytime when you are in the midst of an equinox ("equal night") |
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Definition
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Term
| During an equinox, which hemisphere is tilted towards the sun? |
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Definition
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