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Cubangbang #160784

Cubangbang's 6th Ch. 3 Natural Resources Stack #160784

Renewable energy; these can be replaced by natural means in a relatively short amount of time. geothermal, hydroelectric, wind, solar
Nonrenewable resources; cannot be replaced easily coal, natural gas, uranium, petroleum,
Materials available on earth for our use; provided by God natural resources
Fossil fuels; formed when remains of plants and animals are buried quickly; provide most of the energy we use fossil fuels
liquid form of fossil fuel petroleum
oil pumped from wells come in this form crude oil
a factory that separates crude oil into different products refinery
solid substances naturally found in the earth's surface; often contains ores; it has never been a living organism mineral
concentrated areas of specific minerals vein
a mineral used in nuclear reactors uranium
Problems that occurs as a result of using fossil fuels air pollution, oil spills, production of soot and sulfur gases
Uses heat to produce steam; an advantage is that plants are inexpensive to build and operate geothermal energy
Disadvantages of wind and solar energy Requires large land areas
Advantages of wind energy Does not cause pollution, Requires little maintenance
Soft & shapeable metals; example is gold malleable
process of removing dross from ores smelting
Ways to conserve soil (an important natural resource) let fields lie fallow (resting), rotate crops, plant ground cover crops (low-growing crops that lessen erosion in unused fields), use contour plowing (method that keeps water from washing soil away)
Water cycle precipitation, transpiration, evaporation, condensation
All of the earth's water Hydrosphere
The layer of sand, gravel, or bedrock that holds and moves ground water (water stored beneath the surface of the earth) aquifer
a floating ice sheet; very thick and forms from fresh water and covers land ice shelf
forms when sea water freezes; relatively thin and forms from salt water and has no land under it sea ice
3 ways the ocean provides resources oceans influence climates, part of the water cycle, part of the carbon dioxide-oxygen cycle
Created by: jcubangbang