5.5A Formation of Earthquakes

As the pates move along plate boundaries, they will either be compressed or stretched. _________ is built up in them.

• Energy

• Pressure

• Shake

• Breaks

Then _______ is released. The earth will shake and an earthquake occurs.

• energy

• shake

• pressure

• breaks

When the pressure is too great, the rocks cannot withstand it and finally _______, and an earthquake happens.

• energy

• shakes

• breaks

• falls

______ is the point where energy is released, and earthquake waves are generated.

• Epicentre

• Focus

• Earthcenter

• Peak

_____ is the point on the earth’s surface directly above the focus.

• Epicentre

• Focus

• Earthcenter

• Peak

The major earthquakes are ______distributed.

• evenly

• unevenly

• randomly

• mixed