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20 Cards in this Set
- Front
- Back
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__________ covers ____ of the earth's surface |
water 70% |
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The _________________ is about _____ water |
human body 60% |
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Define water vapor |
water in the form of gas |
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Define condensation |
The water vapor changes back into a liquid |
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Only about _______ of the water on the earth's surface is ______________ |
2% freshwater |
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________ of the earth's water is saltwater |
98% |
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List the four major oceans |
Atlantic Pacific Indian Arctic |
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Define weather |
Unpredictable change in the air that take place in over a short period of time |
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Define climate |
The usual predictable pattern of weather in an area over a long period of time |
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List 3 causes of climate. |
The sun, wind, and El niño/ La niña |
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What causes thunderstorms? |
When warm meets cool air |
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What country has the most tornadoes? |
The United States |
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Define ocean currents. |
carry warm or cool water through the world's ocean |
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List four parts if the earth's physical geography. |
Atmosphere Lithosphere Hydrosphere Biosphere
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Define deforestation. |
cutting down forests without replanting |
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Define crop rotation. |
Altering crops, in a field, to avoid using all the mineral in the soil |
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List two steps of water management. |
conservation avoid water pollution |
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Define conservation of water. |
careful use of water resources so they are not wasted. |
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Define biosphere. |
All living things and the environment in which they live |
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Define ecosystem |
Where plants and animals are dependent upon one another and their surroundings for survival |
