Earthquakes and Tsunamis

A ____________ is a crack in the Earth's surface.

• Tsunami

• fault

• epicenter

• seismologist

What is a tsunami?

• A large storm with high wind.

• A tropical tornado in the ocean.

• A large, powerful ocean wave.

• Any earthquake.

What natural event can cause a tsunami?

• Earthquake

• Volcanic eruption

• Underwater landslide

• All three of these can cause tsunamis!

Earthquakes are caused by _________________.

• The movement of the tectonic plates

• High winds

• Chunks of lava from volcanoes

• Dropping something really heavy

The stress force that causes rocks to squeeze together and can cause folding of rocks to make mountains

• compression

• shearing

• tension

• convection

Most earthquakes happen along the _________________. 

• coast
• faults
• desert
• directions

The outside layer of the earth is called ______________________.

• core
• crust
• mantle
• outer core

The huge pieces of the earth's crust are called ____________________________. 

• crust
• plates
• directions
• seismos

The Richter scale measures:

• the amount of radon gas released
• the movement of plates
• the strength of an earthquake
• the weight of tectonic plates

What is the shaking of the Earth’s crust caused by a release of energy?

• Earthquake
• Epicenter
• Fault
• Plate