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9 Cards in this Set
- Front
- Back
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1. axis
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An imaginary line that passes from the North Pole to the South Pole through the center of the Earth. Fact: the tilt in the axis of the Earth and its revolution around the sun causes its seasonal changes.
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2. equator
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An imaginary line that circles Earth halfway between the two poles dividing the Earth into the northern and the southern hemispheres.
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3. Northern Hemisphere
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The half of the Earth that is above the equator.
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4. Southern Hemisphere
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The half of the Earth that is below the equator.
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5. climate
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The average weather conditions over a long period of time.
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6. tropical climate
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Areas that are hot and rainy year-round.
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7. temperate climate
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Areas with summers that are warm and dry and winters that are cold and wet.
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8. polar climate
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Areas that are very cold year-round.
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9. ice ages
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A time when the Earth was much colder than today allowing for sheets of ice called glaciers to cover large areas of the world. The last ice age ended 10,000 years ago.
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