Mountain Building
Earthquakes
Locating Quakes
Volcanoes
100
Just like Earth's other surface features, mountains are continually being __________ _____ __________.
What is created and destroyed?
100
Movements in Earth's crust are usually so ________ _____ ________ you can't even feel them.
What is small and slow?
100
Recall that _________ _____ ________ travel at different speeds through the ground.
What are P-waves and S-waves?
100
If you look at a map, you will notice that ________ seem to cluster in some areas.
What are volcanoes?
200
A ______ _________ forms where continental plates collide, causing the crust to fold and crumble.
What are fold mountains?
200
Faults can be classified into ________ main groups.
What is three?
200
The _________ __________ is based on seismograph readings.
What is a Richter scale?
200
A ________ ____________ has a gentle slope and is made almost entirely of layer upon layer of lava.
What is a shield volcano?
300
A ________ _____________ is a dome-shaped mound that forms in Earth's crust.
What are dome mountains?
300
Most normal faults are _______, with blocks of rock moving down by just a meter or so.
What are small?
300
___________ of earthquakes happen each year.
What are thousands?
300
A _______ _________ ____________ is a volcano with slopes made mostly of rock and ash.
What is a cinder cone volcano?
400
Weathering and erosion continually shape Earth's __________.
What are landforms?
400
Seismic waves that travel through Earth's interior are called ________ ________.
What are body waves?
400
Always keep a ______________ _________ in your home.
What is a battery-operated radio?
400
A ________ _____________ is composed of alternating layers of lava and ash.
What is a composite volcano?
500
The _________ __________ ________ is a huge range of fault-block mountains.
What is the Sierra Nevada chain?
500
One type of seismograph measures ____________ motion.
What is horizontal?
500
Not all ____________ ____________ cause tsunamis, so they are often hard to predict.
What are undersea earthquakes?
500
Like ____________, volcanic eruptions can quickly change Earth's surface.
What are earthquakes?
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