EARTHQUAKE

_____ is a weak to violent shaking or trembling of the ground caused by the sudden movement of the rocks below Earth’s surface that usually lasts for less than a minute.

Earth’s surface is composed of a solid material called the

crust, which is also made up of ______.

• ROCKS

• DUST

• TECTONIC PLATES

Tectonic plates resemble a giant puzzle made up of smaller pieces, which move continuously and slowly.

• TRUE

• FALSE

When two plates _____, _____ , or _____, earthquake happens.

• bump

• slide

• slip

• split

• jump

As the plates move, forces are exerted on them, making the rocks underground break, resulting to a ______. Lines or cracks in Earth’s surface caused by the movement of the plates.

• earthquake

• fault

• plates

These are the reasons why some earthquake-causing waves cannot be felt. Which one is not?

• Waves are too small

• Too far below the surface

• Too deep in the ocean

• Too high in the mountain

A sudden movements along tectonic faults and plate boundaries

• Tectonic earthquakes

• Volcanic earthquakes

• Collapse earthquakes

• Explosion

  Earthquakes

A small quakes that occur in caverns or mines, caused by underground blasts during mining operations

• Tectonic earthquakes

• Volcanic earthquakes

• Collapse earthquakes

• Explosion

  Earthquakes

A result from explosion of a nuclear or chemical material or device.

• Tectonic earthquakes

• Volcanic earthquakes

• Collapse earthquakes

• Explosion

  Earthquakes

A caused by volcanic activities (rising of magma or lava beneath active volcanoes).

• Tectonic earthquakes

• Volcanic earthquakes

• Collapse earthquakes

• Explosion

  Earthquakes