Earthquakes
Volcanoes 1
Volcanoes 2
Earthquakes and Volcanoes
Bonus
100
An earthquake can cause _________. Large ocean waves that can devastate cities
What is a tsunami.
100
What type of boundaries do most volcanoes erupt?
What are divergent plate boundaries?
100
The type of volcano with gentle slopes made from basalt.
What is a shield volcano?
100
A fast moving, avalanche of hot gas, ash, and rock that erupts from an explosive volcano.
What is pyroclastic flow?
100
This is the name of the starting point of an earthquake.
What is the epicenter?
200
A measure of damage done by an earthquake.
What is a Mercalli scale.
200
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.
200
A large, steep-sided volcano made of lava and ash.
What is a composite volcano?
200
Volcanoes around the world are mostly found here
What is around the edge of plates? Also the ring of fire
200
Between peanut butter and ketchup which more dense and would sink to the center of the earth
Peanut butter
300
A fault is defined as...
A break or crack where movement occurs.
300
A fast-moving cloud of hot gas, ash, and rock from an erupting volcano.
What is a pyroclastic flow.
300
A small, steep-sided volcano made of basalt.
What is a cinder cone?
300
The location directly above an earthquake's focus
What is an epicenter.
300
A caldera is a large volcano that forms at a convergent plate boundaries.
True or False
What is true
400
Which of the following is a reverse/thrust fault?
400
___________ is what is stored inside a volcano, while ___________ is what flows down or explodes out a volcano.
Magma, Lava
400
The presence of _________ in lava increases its explosiveness.
What are gases?
400
Which seismic waves generally cause the most earthquake damage.
A. surface
B. primary
C. secondary
What is a surface wave.
400
Volcanoes that are not associated with plate boundaries are called hot spots.
True or False
True
500
The land on the right hand side is the...
What is the hanging \wall
500
How many types of volcanoes are there? Name them.
There are three, shield volcano, cinder cone volcano and composite volcano.
500
Eruption style depends on the magma's viscosity and the __________________________ .
What is the amount of dissolved gases in the magma.
500
In triangulation scientists locate earthquake's using data from _______________ seismometers.
A. two
B. only one
C. at least three
What is at least three. (C)
500
Most of the active volcanoes in the United States are located here.
What is the Ring of Fire?