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GSLS

4th Grade Earth's Resources

QuestionAnswer
Molten Melted Rock
Igneous Rock Rocks that have formed from magma or lava
Sedimentary Rock Layers of rock pieces that pile on top of each other and over time become solid.
Metamorphic Rock Rocks that move back under the earth's surface where heat and pressure change them into different rocks
Soil Mixture of several materials, including sand, clay, rock, water, fungi, bacteria and decayed plants and animal material
Topsoil The top layer of soil.
Soil Conservation Measures used to protect soil from erosion
Renewable resources Resources that can be replaced by natural processes
Non-Renewable resources Resources that cannot be replaced or renewed once used
Atmosphere Blanket of air that surrounds the earth
Ultraviolet Radiation Radiation rays given off by the sun that can be harmful to living things
Petroleum Another name for oil
Conserve Using less of a resource to protect it
Recycle Reusing a resource to help protect it
Fossil fuels Coal, oil and natural gas comes from the remains of ancient living things
Gold and Iron ore are examples of Minerals
Examples of Non Renewable Resources Minerals and Fossil Fuels
Examples of Renewable Resources Trees, Wildlife, Fresh Water and Air
Created by: wjewell