click below
click below
Normal Size Small Size show me how
Inside Earth 1-1
Ch.1 Section 1 Earth's Interior
Term | Definition |
---|---|
Geologist | A scientist who studies the forces that make and shape earth. |
Rock | A material that forms Earths hard surface. |
Geology | The study of planet Earth. |
Constructive Force | Shape Earth's surface by building up mountains and land masses. |
Destructive Force | Destroys and wears away land masses through a process like erosion and weathering. |
Continent | One of Earths 7 large land masses. |
Seismic Wave | a ground vibration produced by an earthquake. |
Pressure | The force pushing on a surface or area. |
Crust | The outermost layer of solid rock that includes both dry land and the ocean floor. The thinnest layer of the Earth. |
Basalt | A dark, dense, igneous rock, found in oceanic crust. |
Granite | the most abundant rock in the continental crust. |
Mantle | The thick layer of hot, rock between Earth's crust and core that has convection currents. |
Lithosphere | The crust and upper mantle of the Earth that is solid and rigid. |
Asthenosphere | The soft layer of the mantle on which the lithosphere floats. |
Outer Core | a layer of molten (melted) metal, mainly nickel and iron, that surrounds Earth’s inner core |
Inner Core | A solid sphere of iron and nickel at the center of the earth. |