Earthquakes!!!

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 epicenter of an earthquake is

• The point below the surface where rock begins to break and the first motion occurs
• The seismic station closest to the earthquake
• The place where the greatest damage occurs
• The point on the surface directly above the focus

The Richter scale measures:

• the amount of radon gas released

• the movement of plates

• the magnitude of an earthquake

• the weight of tectonic plates

An instrument that detects and measures earthquakes is a 

• seismogram
• focus seismic map
• focus
• seismograph 

Where is the point at which the first movement occurs during an earthquake?

• Epicenter
• Focus
• Fault
• Plate

Earthquakes under the water can cause _________________________________.

• tornadoes
• tsunamis
• lightening
• hailstorms

The focus of an earthquake is

• The point (below Earth's surface) where rock breaks

• The closest seismic station

• The place where the greatest damage occurs

• A fault

Earthquakes happen every day. Most are too small for humans to notice.

• True

• False

What occurs when two plates move, bump or slide past each other?

• An Earthquake
• Nothing
• Movement