science earthquake

the sudden shaking or movement of earth’s crust caused by sudden release of energy. Due to rock movement of faults

• faults

• earthquake

A force exerted upon some area of a material object is called

• stress

• fault

when rocks are pulled apart.

• tension

• shear

when they make rocks slide along each other.

• tension

• shear

when they push or squeeze rocks together causing rocks to fold or fracture.

• compression

• tension

is a large break in the Earth’s crust along which significant movement has taken place.

• faults

• earthquake

the spot directly above the focus.

• epicenter

• focus

The angle between the surface and the fault

• dip strike

• up strike

the ceiling side of the wall. 

• hanging wall

• foot wall

The floor side is called

• hanging wall

• foot walll