Landslides
Earthquakes
Volcanoes
Faults
More Volcanoes
100
When a large amount of loose rock and soil move rapidly
What is a landslide
100
Gigantic slabs of rock in Earth's crust that are always moving
What are plates
100
A mountain that builds up around an opening in Earth's crust
What is a volcano
100
The three types of faults
What are normal, reverse and strike-slip
100
Melted rocks, gases and pieces of rock are forced out of a volcano
What is an eruption
200
A pulling force on all objects
What is gravity
200
Area where rocks slide past one another along cracks in Earth's plates
What are faults
200
Place where magma partially melts through Earth's crust
What is a hot spot
200
When rocks slide past each other in different directions (San Andreas is this type)
What is a strike-slip fault
200
An inactive volcano
What is a dormant volcano
300
When land becomes so full of water that it may change into a river of mud and rock
What is mudslide
300
Movements in Earth's crust caused by a sudden shift in Earth's plates
What are earthquakes
300
A cup-like shape that forms around the vent of a volcano
What is a crater
300
When plates push together. Rocks above the fault move upward. (how the Himalayas were formed)
What is a reverse fault
300
The world's largest volcano
What is Mauna Loa in Hawaii
400
When a stream or river fills up and overflows
What is a flood
400
An ocean wave caused by an earthquake
What is a tsunami
400
When this reaches the Earth's surface it is called lava
What is magma
400
Plates pull apart. Rocks above the fault surface move down (how the Sierra Nevadas were formed)
What is a normal fault
400
A volcano with sides that are wide and flat. It has been formed by layers of lava that built up over time
What is a shield volcano
500
True or False - landslides and mudslides only occur in coastal areas
What is False (landslides and mudslides can occur anywhere)
500
Layer of Earth's surface shaped mainly by erosion
What is the crust (the outermost layer)
500
Three types of volcanoes
What is cinder-cone, composite, and shield
500
Slow movement along a fault
What is creep
500
A volcano that is shaped like a cone with steep sides. (Mt. Lassen is an example)
What is a cinder-cone volcano
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