Earthquakes and volcanoes

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

• crust
• plates
• directions
• seismos

An instrument that detects and measures earthquakes is a 

• seismogram
• focus seismic map
• focus
• seismograph 

Many earthquakes happen along the borders of...

• Countries

• Tectonic Plates

• Climate Zones

• None of the above.

The area around the Pacific Ocean where lots of earthquakes and volcanoes happen is called the ____________.

• Ring of Earth
• Ring of Fire
• Ring of Stone
• Ring of Diamond

________________ measures the strength of an earthquake on a scale of 1-10.

• Seismometer
• Richter Scale
• Magnitude
• Seismology

Lava that is still deep inside the earth is called ____________________________.

• lava
• magma
• volcano
• earthquake

What is the definition of dormant?

• sleeping and could erupt again

• extinct and won't erupt

• active and dangerous

This is the name for the chain of volcanos around the edge of the Pacific Plate.

• March Maddness

• Earthquake Alley

• Ring of Fire

• Circle of Death

Volcanoes are found...

• on land
• under water
• on islands
• all of the above

A dead volcano is called what?

• active
• dormant
• extinct