How Geologists Study Earth's Structure

Scientists use several methods to study Earth's interior. Fill in the blank: One method is ________ seismic waves from earthquakes.

• studying

• ignoring

• painting

• measuring

Tags

NGSS.MS-PS4-2

What is the thinnest layer of the Earth, ranging from 5-40 km thick?

• Crust

• Mantle

• Outer Core

• Inner Core

Which type of crust is thicker and made mostly of granite?

• Oceanic crust

• Continental crust

• Lithosphere

• Asthenosphere

The land under the ocean, which is thinner and made of basalt, is called the ________.

• oceanic crust

• continental crust

• mantle

• core

Tags

NGSS.MS-ESS2-2

True or False: The Earth's crust is made of solid rock and is where we live.

• True

• False

Tags

NGSS.MS-ESS2-1

In the diagram, which layer is located directly below the lithosphere?

• Oceanic crust

• Continental crust

• Asthenosphere

• Volcanic arc

What is the thickest layer of the Earth?

• Crust

• Mantle

• Outer Core

• Inner Core

The mantle is made up of the Lithosphere (solid rock) and the ________ (soft solid/thick liquid).

• Asthenosphere

• Mesosphere

• Core

• Crust

What type of rock is found in the mantle?

• Hot, dense rock

• Cold, brittle rock

• Liquid metal

• Ice

Heat rising and falling inside the mantle creates ________ currents generated by radioactive decay in the Earth's core.

• convection

• magnetic

• tidal

• electrical

Tags

NGSS.MS-ESS2-1