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22 Cards in this Set
- Front
- Back
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weather |
the short-term changes in air for a give place and time |
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climate |
a region's average weather conditions over a long period |
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prevailing winds |
winds that blow in the same direction over larges areas of earth |
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ocean currents |
large streams of surface seawater |
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front |
a place where two air masses of different or moisture content meet. |
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monsoon |
winds that shift direction with the seasons and create wet and dry periods |
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savanna |
an area of tall grasses and scattered trees and shrubs |
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steppe |
a semi-dry glasses and scattered trees and shrubs |
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permafrost |
permanently frozen layers of soil |
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environment |
a plant or animal's surroundingsecosystem |
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ecosystem |
any place where plants and animals depend upon each other and their environment for survival |
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habitat |
the place where a plant or animal lives |
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extinct |
to die out completely |
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humus |
decayed plant or animal matter |
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desertification |
the slow process of losing soil fertility and plant life |
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natural resource |
any material in nature that people use and valus |
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renewable resources |
resources that can be replaced naturally |
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nonrenewable resources |
resources that cannot be replaced |
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deforestation |
the loss of forestland |
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reforestation |
planting trees to replace kost forestland |
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fossil fuels |
nonrenewable resources formed from the remains of ancient plants and animals |
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hydroelectric power |
the production of electricity by moving water |
