This is the crust and upper mantle.

A.) biosphere B.) asthenosphere

C.) lithosphere D.) hydrosphere

L

C.) lithosphere

F

In which layer is the asthenospherelocated?

A.) mantle B.) lithosphere

C.) crust D.) inner core

L F

A.) mantle

A wave produced from an earthquake.

A.) radiowave B.) seismic wave

C.) ultraviolet wave D.) heat wave

L

B.) seismic wave

F

The force pressing on an area.

A.) pressure B.) temperature

C.) movement D.) force

L

A.) pressure

F

A dark rock with fine grains.

A.) granite B.) obsidian

C.) basalt D.) marble

L

C.) basalt

F

Geologists learn about Earth’s interiorby studying the movement of _____.

A.) animals B.) seismic waves

C.) rock samples D.) plate tectonics

L

B.) seismic waves

F

This part of the mantle is made of softrock that bends like plastic.

A.) lithosphere B.) mantle

C.) crust D.) asthenosphere

L

D.) asthenosphere

F

This theory states that Earth’s plates movevery slowly in various directions.

A.) continental movement B.) plate tectonics

C.) asthenosphere D.) Newton’s 3rd Law

L

B.) plate tectonics

F

Scientists believe this layer movesto produce Earth’s magnetic field.

A.) inner core B.) crust

C.) outer core D.) mantle

L

C.) outer core

F

What is the inner most layer?

A.) crust B.) outer core

C.) mantle D.) inner core

L

D.) inner core

F

What is the outermost layer of the Earth?

A.) inner core B.) outer core

C.) mantle D.) crust

L

D.) crust

F

Using data from seismic waves, geologistshave learned that Earth’s interior is

made up of several ____________.

A.) ridges B.) layers

C.) continents D.) trenches

L

B.) layers

F

Which of Earth’s layers is the thickest?

A.) inner core B.) crust

C.) outer core D.) mantle

L

D.) mantle

F

Earth’s inner core is…

A.) a layer of molten metal B.) a layer of hot rock

C.) a dense ball of solid metalD.) a layer of rock that forms Earth’s outer skin

L

C.) a dense ball of solid metal

F

Holes drilled several kilometers intoEarth’s crust provide direct evidenceabout Earth’s interior in the form of…

A.) rock samples B.) seismic waves

C.) tunnels D.) straws

L

A.) rock samples

F

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