Grade 6 Science: Earthquake_Practice Test 1

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

• shearing.

• tension.

• compression.

• deformation.

Which of the following can cause damage days or months after a large earthquake?

• the arrival of surface waves

• convection

• a tsunami

• an aftershock

In a normal fault, the part of the fault that lies below the other part is called the

• hanging wall.

• reverse fault.

• footwall.

• anticline.

Which type of stress force produces reverse faults?

• shearing

• tension

• compression

• deformation

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

• syncline.

• footwall.

• epicenter.

• focus.

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

• S waves.

• P waves.

• Surface waves.

• Mercalli waves.

Reliable information about where earthquakes occur comes from a person or an organization that is not

• scientific.

• biased.

• honest.

• objective.

The stress force that pulls on the crust where two plates are moving apart is called

• tension.

• compression.

• shearing.

• deformation.

________ occurs when stress pushes a mass or rock in two opposite directions.

• Tension

• Compression

• Shearing

• Deformation

A seismograph uses a ___________________ to record the drum's vibrations.

• microphone

• pen

• camera

• sensor