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Landslides
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100

All landslides have these two things in common as part of the cause.

gravity and an unstable slope

100
cracks on the Earth's surface are called what?
faults
100

Which type of plate movements can cause a volcano?

convergent, divergent, and transform

100

What is a tsunami?

A giant wave caused by an earthquake in the ocean

200

How can wildfires cause landslides?

The fire burns all of the vegetation and there is nothing to hold the soil in place
200

What is the focus of an earthquake?

The point underground where the earthquake starts.

200

Name 2 types of volcanoes

Cone, Shield

200

What is the scale used to measure earthquakes?

The Richter scale

300

Name one type of landslide

falls, slides, or flows

300
What is the epicenter on an earthquake?

The point on the surface of the earth where an earthquake takes place

300

Molten rock inside a volcano is called

magma

300
Why do earthquakes happen more in California than in other places in the United States?
A major fault line run through California called the San Andreas Fault.
400
How is a mudslide different from a landslide?
a mudslide is the movement of wet soil and rocks down a slope, while a landslide is the movement of dry soil and rocks down a slope.
400

Which type of plate movement pushes plates together?

convergent

400
What is the difference between lava and magma?
Magma is molten rock in the volcano and lava is molten rock outside of the vocano.
400

What is the ring of fire?

A chain of volcanoes along the Pacific Plate

500

Where are landslides most common?

Mountains and coastal areas

500

The study of earthquakes is called...

seismology

500

Which layer of the earth does the molten rock come from?

mantle

500

Name the 4 layers of the Earth

Crust, mantle, inner core, outer core