Earthquakes 1

Earthquakes 5th-7th hours

part 1 of 2

Multiple Choice

A type of stress that pulls on rock and thins it in the middle

• stress

• fault

• tension

• compression

Multiple Choice

Compression type waves, work like an accordion

• p waves

• s waves

• surface waves

Multiple Choice

How do scientists know that the outer core is a liquid?

• P waves do not travel through the outer core but S waves do.

• S waves do not travel through the outer core but P waves do.

• P waves and S waves do not travel through the outer core.

• P waves and S waves travel through the outer core.

Multiple Choice

Which of the following amplifies the S waves during an earthquake?

• Soft underlying soil
• Strong rocks underground
• Closeness to a volcano
• Altitude of the epicentre

Multiple Choice

Second waves to arrive in an earthquake

• P waves

• S waves

• Surface waves

Multiple Choice

Which travels fastest, always being the first detected by seismic stations?

• P waves
• S waves

Multiple Choice

Which wave can travel through all materials?

• P - primary

• S - secondary

• L - Long

Multiple Choice

S-waves can move through which of the following?

• Gas

• Liquid

• Solid

• All of these