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Earth Science

3rd Grade Earth Science

TermDefinition
Decompose To break down into smaller, more basic parts
Soil A mixture of sand, silt, clay, rock, plant and animal remains
Weathering When forces on Earth break rocks apart or wear rock away
Earthquake A sudden release of energy under Earth's surface that makes the ground shake or crack
Erupt To break open suddenly
Landslide A sudden adn rapid movement of rocks and soil down a slope
Volcano A mountain or hill made by hot rocks and gasses moving to the surface of the Earth from deep inside the Earth
Hill A land formation that is higher than the surrounding area
Landform A feature on the surface fo the Earth that is not covered by water
Mountain A large land formatoin that rises high above the surrounding area
Plain A large area of land that is flat with no mountain, hill, or valleys
Valley A low area between higher areas
Created by: mgrady14
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