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20 Cards in this Set
- Front
- Back
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________ covers ________ of the earths surface |
water and 70% |
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the __________________ is about ________ water |
human body and 60% |
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water in the form of gas |
water vapor |
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water vapor changes back to liquid |
condensation |
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only about _______ of the water on the earths surface is ____________ water |
2% and freshwater |
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__________ of the earths water is salt water |
98% |
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list the 4 major oceans |
atlantic, pacific, arctic, and indian |
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unpredictable changes changes in the air that take place over a short period of time |
weather |
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the usual predictable pattern of weather |
climate |
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list 3 causes of climate |
the sun, wind, and El Niño |
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what causes thunderstorms |
when air meets cooler air |
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what country has the most tornados |
United States |
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carry of warm or cool water through the worlds oceans |
ocean current |
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list 4 parts of the earths physical geography |
atmosphere, lithosphere, hydrosphere, and biosphere |
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cutting down forests without replanting |
deforestation |
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alternating crops in a field to avoid using all the minerals |
crop rotation |
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list 2 steps of water management |
conservation, and avoiding pollution of water |
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careful use of water resources so they are not wasted |
conservation of water |
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all living things and the environment |
biosphere |
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where plants and animals are dependent upon one another and their surroundings for survival |
ecosystem |
