Term
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Definition
| The path one object takes when moving around another object in space. |
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Term
| What do all the planets revolve around? |
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Definition
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Term
| What is the shape of the planets' orbit called? |
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Definition
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Term
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Definition
| A planet's movement around the sun. |
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Term
| How long is a planet's period of revolution? |
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Definition
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Term
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Definition
| All planets SPIN, or rotate, on their AXIS |
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Term
| How long is a planet's period of rotation? |
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Definition
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Term
| What cause day and night? |
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Definition
| The rotation of the earth on its axis |
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Term
| What part of a planet experiences daytime/nighttime? |
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Definition
DAY = FACING THE SUN
NIGHT = AWAY FROM THE SUN |
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Term
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Definition
| The tilt of the earth on its axis |
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Term
| What causes summer/winter? |
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Definition
Summer = earth is tilted towards the sun
Winter = Earth is tilted away from the sun |
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Term
| What is the Winter Solstice? |
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Definition
| Shortest day of the year in the Northern Hemisphere (Dec. 21 or 22) |
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Term
| What is the Summer Solstice? |
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Definition
| The longest day of the year in the Northern Hemisphere (June 20 or 21) |
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Term
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Definition
| Day and night are equal in length all over the world. |
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