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Earth Science
3rd Grade Earth Science
Term | Definition |
---|---|
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 |