click below
click below
Normal Size Small Size show me how
The Earth's Layers
Vocabulary related to the study of the Earth and its layers.
Term | Definition |
---|---|
Hydrosphere | The layer of the earth that contains bodies of water including lakes, rivers and oceans |
Lithosphere | The layer of the earth that contains rocks, minerals and soils |
Atmosphere | The layer that surrounds the earth and protects us from too much sunlight |
Crust | The outer part of the lithosphere |
Core | The center layer of the earth |
Mantle | The layer of the earth that is between the crust and the core |
Plate Tectonics | The theory that says the earth's surface is made up of about 20 moving pieces |
Weathering | The breaking down or changing of rock |
Erosion | Weathered rock is moved from place to place by this process |
Deposition | Eroded material that is carried by water slows down and is dropped during this process |
Igneous Rock | Melted mantle that has cooled |
Sedimentary Rock | Solid particles cemented together |
Metamorphic Rock | Igneous or metamorphic rock changed by heat or pressure |
Fossil | Remains of any dead organism trapped in layers of rock |
Rock Cycle | Process in which rocks undergo change |