click below
click below
Normal Size Small Size show me how
vocabulary Chapter 1
study of the chapter that we are reading
Term | Definition |
---|---|
geologist | A scientist who studies the forces that make and shape planet Earth. |
rock | A scientist who studies the forces that make and shape planet Earth. |
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 landmasses through a process like erosion and weathering |
continent | one of Earth's seven large land areas |
seismic waves | 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. |