Layers of the Earth
Plates
Plates
Volcanoes
Earthquakes
100
These layers of the earth are solid.
What is the crust, mantle, and inner core.
100
This man proposed the idea of continental drift.
Who is Alfred Wegner.
100
At this type of plate boundary, sea floor spreading can occur.
What is a divergent plate boundary.
100
The ring of volcanoes that outline the Pacific Plate Boundary.
What is the ring of fire
100
This is used to measure the vibrations of earthquakes.
What is a seismograph.
200
This layer is the hottest.
What is the inner core
200
Describe the theory of continental drift, including the name of the supercontinent that Wegner believed the continents started out as.
What is the fact that the continents were all one supercontinent called Pangaea. Over time, these continents spread apart to the continents we have today.
200
These plates form mountains.
What are convergent plates.
200
This type of volcano has a more aggressive eruption.
What is a shield volcano.
200
This type of wave (not in the ocean) causes the most damage.
What is an s-wave.
300
This layer of the earth is the most dense.
What is the inner core
300
Describe the evidence that supported Wegner's theory
What is the puzzle piece shaped continents, similar fossils on different continents, aligned mountain ranges
300
This causes the movement of tectonic plates.
What is convection.
300
This happens when one plate slides under another plate.
What is subduction.
300
This type of wave is the fastest.
What is a p-wave.
400
This layer of the earth is responsible for earth's magnetic field.
What is the outer core.
400
The lithosphere is broken into pieces called ______.
What are tectonic plates.
400
These plates move sideways past each other and create a break in the earth's crust called a fault.
What are transform plates.
400
Describe a shield volcano.
A shield volcano erupts slowly with lava oozing over the sides.
400
The energy from an earthquake originates here.
What is the focus.
500
Where is the asthenosphere located?
What is in the mantle.
500
An area where two plate meet.
What is a plate boundary.
500
This is another name for colliding plates.
What are convergent plates.
500
A ___________ plate and a __________ plate collide creating a volcano.
What is an oceanic plate and a continental plate.
500
1. This measures the energy waves of earthquakes. 2. This measure the intensity of earthquakes.
What is 1. the Richter Scale 2. the Mercalli Scale
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