Earth's Structures

Front

What is the geosphere?

Back

The geosphere includes the Earth's crust, mantle, and core.

Front

What layer of the Earth is the inner core?

Back

The inner core is the innermost layer of the Earth, located beneath the outer core.

Front

List the layers of the Earth from least dense to most dense.

Back

Crust, mantle, outer core, inner core.

Front

What are the three major classes of rock?

Back

Igneous, metamorphic, and sedimentary.

Front

What is an igneous rock?

Back

Igneous rocks are formed from the cooling and solidification of magma or lava.

Front

What is a metamorphic rock?

Back

Metamorphic rocks are formed from existing rocks that are changed by heat, pressure, or chemical processes.

Front

What is a sedimentary rock?

Back

Sedimentary rocks are formed from the accumulation and compaction of mineral and organic particles.

Front

Can a sedimentary rock become an igneous rock?

Back

Yes, a sedimentary rock can become an igneous rock through processes like melting and solidification.

Front

What is the Earth's crust?

Back

The Earth's crust is the outermost layer of the Earth, composed of solid rock.

Front

What is the mantle?

Back

The mantle is the layer of the Earth between the crust and the outer core, composed of semi-solid rock.