Show:
Mountain Buiding
Earthquakes
Locating Quakes
Volcanoes
Vocabulary
100
As with fold mountains,________ helps shape fold-block mountains.
Erosion
100
All volcanoes erupt. True or False.
What is false?
100
The _________ is often where the quake is mostly the strongest.
Epicenter.
100
Lava is magma that reaches Earths surface. True or False?
What is true
100
A hot spot is ...
an area of the crust above a rising plume of magma, where volcanic material can erupt through plate, creating volcanic mountains
200
Fault-block mountains form when...
stress spits the crust
200
Sudden movement typically happen at ________
Faults
200
Only a few earthquakes happen each year. True or False.
What is false.
200
So many earthquakes and volcanoes occur around the Pacific ocean. True or False.
What is True
200
Magnitude is...
A measure of the amount of energy that an earthquake realeses
300
A_______________ is a mountain that forms from a block of crust that is pushed upward or downward along a fault.
fault-block mountain
300
The different types of faults are normal, reverse and ___________.
strike slip
300
A tsunami is a huge ______________ produced by an earthquake.
Sea wave
300
The lava's ___________ ant the amount of dissolved _____ can effect the eruption.
thickness, gases
300
seismic waves are...
A wave of energy released by an earthquake that travels in all directions, including up to the surface