An area along the plate boundary in the Pacific Ocean where many volcanoes and earthquakes occur.
100
A giant wave caused by an earthquake under the ocean is called a(n) ___________.
What is a tsunami.
100
A ________________ is a scientist who studies the structure and history of Earth.
What is a geologist.
100
What is the movement of weathered rock from place to place?
What is erosion.
100
A force that occurs when plates are pushed together is called ___________________.
What is compression.
200
Volcanoes tend to erupt at places where...
a. two plates collide.
b. two plates rub past each other.
c. one plate moves away from another.
d. one plate moves under another.
What is d. - where one plate moves under another
200
Where is the epicenter located?
What is the point that is directly above the focus.
200
What is the layer that contains gases around and above Earth?
What is the atmosphere.
200
_____________ is the process of breaking down rocks into smaller pieces.
What is weathering.
200
This force twists, tears, or pushes one part of the crust past another part.
What is shear.
300
An unmoving pool of magma below Earth's crust is called a(n) _______________.
What is a hot spot.
300
What is the focus of the Earthquake?
What is the place where Earth's slipping motion begins.
300
The layer of Earth's interior below the crust is the _______.
What is the mantle.
300
What are three causes of erosion?
What is water, wind, and gravity.
300
Name two ways that scientists can protect shorelines from erosion.
Answers Vary.
400
Name the three types of volcanoes that we studied.
What is cinder cone, shield, and composite.
400
What is the measure of the amount of energy released by an earthquake?
What is the magnitude.
400
A ____________________ is a place that floods easily when water rises.
What is a floodplain.
400
What is the process called where eroded materials are dropped off in a new place?
What is deposition.
400
Shear forces at a fault can form what kind of mountains?
What is fault-block mountains.
500
A __________________ is a crack in Earth's crust.
What is a fault.
500
List one similarity and two differences between the Richter and Mercalli Scales.
Answers vary.
500
Small streams that start in the mountains and join larger streams are called ______________.
What are tributaries.
500
What is a main cause of chemical weathering?
What is acid rain.
500
The force of compression can form what kind of mountains at the point where two plates push together?