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| An imaginary straight line through the center of Earth around which the Earth rotates. |
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| The Earth's rotation is the act of _____. |
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| every 24 hours the Earth makes one complete ______. This gives us day and night. |
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| A closed curved path that an object follows as the object moves around another (in this case, the sun). |
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| The Earth moves in a ____ which is shaped like a circle around the sun. |
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| The force of _______ from the sun pulls on Earth and keeps the Earth in its orbit. |
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| movement of an object in orbit around another. |
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| Each complete orbit around the sun is called a _____. It takes 365 days (one year) to make a complete _____. |
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| The Earth's position (tilt) as it revolves around the sun, bring the ____. |
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