A_23 Inside Earth Reading Questions

What are seismic waves?

• Vibrations that travel through water

• Vibrations that travel through Earth

• Vibrations that travel through air

• Vibrations that travel through space

Tags

NGSS.MS-ESS3-2

NGSS.MS-PS4-2

What type of motion do P-waves have?

• Forward-and-backward motion

• Side-to-side motion

• Circular motion

• Up-and-down motion

What is the S-wave shadow zone?

• An area where S-waves cannot be detected

• An area where P-waves cannot be detected

• An area where all waves are detected

• An area where no waves are detected

Tags

NGSS.MS-PS4-2

What is the main characteristic of P-waves?

• They move with a forward-and-backward motion

• They move with a side-to-side motion

• They move in a circular motion

• They move in an up-and-down motion

Tags

NGSS.HS-PS4-1

What is Earth's radius in kilometers?

• 6,371 kilometers

• 5,000 kilometers

• 7,500 kilometers

• 8,000 kilometers

What is the average speed of S-waves after an earthquake?

• 3 kilometers per second

• 5 kilometers per second

• 7 kilometers per second

• 2 kilometers per second

Tags

NGSS.MS-PS3-1

What does the S-wave shadow zone tell us about the interior of Earth?

• It indicates the presence of a liquid outer core

• It indicates the presence of a solid outer core

• It indicates the presence of a gaseous outer core

• It indicates the presence of a magnetic field

Why can't scientists drill down into the Earth to gather information about Earth's layers?