An earthquake can cause _________. Large ocean waves that can devastate cities
What is a tsunami.
What type of boundaries do most volcanoes erupt?
What are divergent plate boundaries?
The type of volcano with gentle slopes made from basalt.
What is a shield volcano?
A fast moving, avalanche of hot gas, ash, and rock that erupts from an explosive volcano.
What is pyroclastic flow?
This is the name of the starting point of an earthquake.
What is the epicenter?
The different types of stress on rock are.
Compression, Tension, Shearing, Confining/Uniform
Volcanoes form when magma
a. flows through the crust.
b. changes in composition.
c. hardens beneath the surface.
What is
a. flows through the crust.
A large, steep-sided volcano made of lava and ash.
What is a composite volcano?
Volcanoes around the world are mostly found here
What is around the edge of plates? Also the ring of fire
Between peanut butter and ketchup which more dense and would sink to the center of the earth
Peanut butter
A fault is defined as...
A break or crack where movement occurs.
Magma that is rich in gases will form a volcano
A. that erupts explosively.
B. with gently sloping sides.
C. whose lava has a low viscosity.
What is
A. that erupts explosively.
Think milkshake.
A small, steep-sided volcano made of basalt.
What is a cinder cone?
__________ is a type of lava that is high in silica. It is sticky and chunky.
Large and explosive volcanic eruptions can change climate because ash and gas that erupt high into the atmosphere can do this.
What is...
Block out the sun.
Create ash clouds.
Which of the following is a reverse/thrust fault?


___________ is what is stored inside a volcano, while ___________ is what flows down or explodes out a volcano.
Magma, Lava
The presence of _________ in lava increases its explosiveness.
What are gases?
____________ is a type of lava that flows faster, it is high in basalt.
What is mafic lava?
This state has no active volcanoes?
A. California
B. Hawaii
C. Washington
D. New York
What is
D. New York?
The land on the right hand side is the...

Hanging Wall
Lava that comes up from an underwater volcano and starts to harden as it reaches the surface is called
What is pumice?
Volcanoes that erupt felsic and intermediate lava are explosive because the lava is high in this.
What is silica?
A high viscosity liquid travels __________.
A low viscosity liquid travels ___________.
slow, fast.
Most of the active volcanoes in the United States are located here.
What is the Ring of Fire?