Chapter 1 Test

Vibrations of energy that flow from the focus of an earthquake are called____.

• seismic waves
• eruptions
• seismographs
• tsunamis

The___ is the point on the earth's surface directly above the focus.

• mantle
• lithosphere
• epicenter
• magnitude

An earthquake's magnitude can be measured by _____.

• the Mercalli Scale
• a seismograph
• a geodometer
• the Richter Scale

One danger of a volcano is a _____, which occurs when part of a mountain collapses, causing mud and rock fragments to surge down the mountain.

• lava flow
• pyroclastic flow
• debris flow
• Plinian eruption

____occur in places where water is heated by hot magma.

• hot springs
• Ring of Fire
• tephra
• magma chambers

What type of volcano would this be? Only one answer is correct. A certain volcano is expected to erupt again within the next five years. It has a bowl-like crater at its top and only one main vent.

• dormant composite cone volcano
• active cinder cone volcano
• extinct shield volcano
• active shield volcano

What type of volcano would this be? Only one answer is correct. This large volcano seems to be layered, signifying that different types of lava flows have occurred in the past, but the volcano is presently inactive.

• dormant composite cone volcano
• active cinder cone volcano
• extinct shield volcano
• active shield volcano

Where do scientist believe magma chambers are located?

• underwater crustal plates
• at the edge of the Pacific Ocean
• in the core of the Earth
• deep in the Earth's llithosphere

Which of these actions is NOT a cause of a volcano?

• the formation of hot spots in the middle of crustal plates
• vog is released
• earthquakes
• along plate boundaries as they move and shift

Which of these is NOT a product of a volcano eruption?

• magma chamber
• igneous rock
• gems
• vog