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| The sun and the objects that orbit around it. |
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| The path an object takes as it moves around another object in the sky. |
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| A large body of rock or gas that orbits the sun. |
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| A chunk of rock or metal that orbits the sun. |
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| A large ball of ice and dust that orbits the sun. |
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| The spinning of an object on its AXIS. |
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| An imaginary line that goes through the North Pole and the South Pole. |
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| It takes this amount of time for Earth to rotate on its axis. We call this one day. |
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| The movement of one object around another object. The Earth revolves around the sun. |
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| Earth makes one revolution around the sun in this time frame. |
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| The reasons for the seasons. |
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| Earth's rotation on its axis causes day and night. |
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| The different shapes the moon seems to have in the sky. |
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| The moon goes through all of its phases in this amount of time. |
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| When the Earth's shadow falls on the moon. |
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