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23 Cards in this Set

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