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23 Cards in this Set
- Front
- Back
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continent
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one of Earth's largest land areas
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hemisphere
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half of the Earth
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keystone
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stone at the top of an arch that supports the weight of other stones
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landform
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natural feature on Earth's surface
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gorge
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deep, narrow valley with steep walls
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tributary
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a smaller river or stream that flows into a larger river
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natural resource
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material found in nature that people can use. Example: soil, water, trees and minerals
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fossil fuel
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fuel found in the earth that are made from the remains of plants and animals. Example: coal, oil, or natural gas
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renewable resource
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a natural resource that can be replaced. Example: trees
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nonrenewable resource
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a natural resource that can NOT be replaced. Example: fossil fuels (coal, oil, gas)
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pollution
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anything that makes water, air or soil dirty
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conserve
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to use resources carefully so that they are not wasted or destoyed
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pesticide
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chemical for killiing insect pests
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climate
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pattern of weather in a place over a long period of time
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precipitation
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water that falls to Earth as rain, snow, sleet or hail
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elevation
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the height of land
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vegetation
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a variety of plants and trees
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habitat
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a place where plants and animals live
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What States border Pennsylvania?
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New York, Ohio, West Virginia, Maryland, Delaware, and New Jersey
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What are two waterways in Pennsylvania?
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Delaware and Ohio Rivers
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Where is Pennsylvania located?
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Pennsylvania is located in North America and the Western and Northern Hemispheres.
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What two geographic features affect Pennsylvania's climate?
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The climate in Pennsylvanis is affected by the state's location and elevation.
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Varied habitats in Pennsylvania provide what for animals?
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Various food and shelter for the animals.
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