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5thgrSciCh8
Using Resources Wisely
Question | Answer |
---|---|
natural resource | resource found in nature such as air, water, minerals, and soil |
nonrenewable resource | resource that is difficult to replace |
fossil fuels | nonrenewable resource formed from ancient plants and animals |
conservation | efficient use of resources |
renewable resource | resource that is easily replaced or renewed |
residual soil | soil formed directly from the bedrock below |
soil | a natural resource that is made up of minerals and small rocks, water, gases and organic matter |
soil profile | all of the soil horizons, or layers, in a soil sample |
subsoil | layer of soil beneath the topsoil |
topsoil | uppermost layer of soil |
transported soil | soil that has been carried from one place to another by erosion |
recycling | process of recovering a resource from one item and using it to make another item |