Earthquakes

Front

Stress that pushes a mass of rock in two opposite directions is called _________.

Back

shearing

Front

The point beneath Earth's surface where rock breaks under stress and triggers an earthquake is called the ______.

Back

focus

Front

The type of seismic waves that arrive at the surface first and move by compressing and expanding the ground like an accordion are called _______.

Back

P waves

Front

A force that acts on rock to change its shape or volume is called _________.

Back

stress

Front

S waves are also known as ________.

Back

secondary waves

Front

Compared to P waves and S waves, surface waves move _____?

Back

slower

Front

The squeezing together of rocks by stress is called shearing.

Back

false

Front

In a strike-slip fault, the rocks on either side of the fault slip past each other sideways.

Back

true

Front

With the range of data available, geologists cannot predict exactly where and when earthquakes will occur.

Back

true

Front

When an earthquake occurs, S waves are the first seismic waves to arrive at a given location.

Back

false