Earth's Interior

What are the two main types of evidence geologists use to learn about Earth's interior?

• Fossil records and soil samples

• Rock samples and seismic waves

• Atmospheric data and ocean currents

• Satellite imagery and magnetic field data

What do rocks from inside Earth provide geologists with?

• Methods for drilling

• Clues about Earth's structure

• Information on Earth's surface

• Techniques for rock dating

What do geologists study to understand the structure of the planet?

• The origin of earthquakes

• The speed of seismic waves and the paths they take

• The damage caused by earthquakes

• The frequency of earthquakes

Tags

NGSS.HS-ESS2-3

What have geologists learned about the Earth's interior using data collected from seismic waves?

• The Earth's interior is completely solid.

• The Earth's interior is made up of several layers.

• The Earth's interior is hollow.

• The Earth's interior has a single layer.

From the outermost to the innermost, what is the correct order of the Earth's layers?

• Mantle, Crust, Outer Core, Inner Core

• Crust, Mantle, Inner Core, Outer Core

• Crust, Mantle, Outer Core, Inner Core

• Inner Core, Outer Core, Mantle, Crust

Which type of seismic waves can go through liquids?

• S-waves

• P-waves

• Both P-waves and S-waves

• Neither P-waves nor S-waves

Tags

NGSS.MS-PS4-2

What does the S-wave shadow tell us about the Earth's outer core?

• It is solid.

• It is semi-solid.

• It is liquid.

• It is gaseous.

Tags

NGSS.HS-ESS2-1

What happens to P-waves as they pass through the Earth's solid inner core?

• They maintain a constant speed and direction.

• They disappear.

• They change direction and speed.

• They convert into S-waves.

What causes the high temperatures inside Earth?

• Only the heat from the Sun

• Only the heat from Earth's core

• Heat left over from the formation of the planet and radioactive decay

• Friction from tectonic plate movement

According to the diagram, what is the temperature at the boundary between the Upper Mantle and the Lower Mantle?

• 1,900 K

• 3,000 K

• 5,000 K

• 7,000 K

Tags

NGSS.MS-PS3-4