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States of Volcanoes
Types of Volcanoes
Makeup of a Volcano
Wave Activity in Earthquakes
Instruments used in Earthquakes
100
A volcano that is not currently active but could become active in the future.
What is a dormant volcano
100
How many types of volcanoes are there?
What is three
100
An opening in the earth's crust that channels magma to the surface.
What is a vent
100
The starting point of an earthquake
What is the focus
100
An instrument that measures wave activity
What is a seismograph
200
A volcano that has recently erupted or is likely to errupt
What is an active volcano.
200
A large gemtly sloping mountain that forms from many nonexplosive eruptions.
What is a sheild volcano
200
Magma that flows out of a vent, cools and hardens to form the outside of the volcano.
What is the magma
200
Directly above the focus
What is epicenter
200
Developed to measure an earthquake's strength.
What is The Richter Scale
300
A volcano that is not active and will not become active again.
What is an extinct volcano
300
The most common type of volcano
What is a composite volcano
300
Small particles of shattered rock and magma that escape from a volcano when it erupts.
What is ash
300
Waves which travel quickly through the interior of the earth after an earthquake.
What is primary waves.
300
Charles Richter
What is inventor of the Richter Scale
400
Mt. Haileakala in Hawaii is an example of which state of a volcano.
What is a dormant volcano.
400
Formed from alternating large and small explosive erruptions.
What is a composite volcano
400
In what shape is a volcno formed?
What is cone
400
waves of energy that move away from an earthquake through the earth in all directions.
What is seismic waves
400
Range of scores from least destructive to most destructive.
What is 1-10
500
The Pacific Rim of volcanoes is known as the
What is Ring of Fire- Active volcanoes
500
A volcano that forms quickly from rocks and lava that spew out of its vent during an erruption.
What is a cinder cone volcano
500
Two examples of volcanoes and what type are they
What is Mt. Shasta- Sheild and Mt. St. Helens- Composite
500
waves which move in a circular pattern through the earth's surface after an earthquake.
What is surface waves
500
What do seismologists study three waves to determine the?
What is the epicenter and strength