Earth's Layers
Plate Tectonics
Mountain Building
Volcanoes
Earthquakes
100
The middle compositional layer of the Earth
What is the mantle?
100

The supercontinent in the time of the dinosaurs

What was Pangaea?

100
A crack where rocks break across plates
What is a fault?
100
Gas and lava emerge from here.
What is a volcanoe?
100
A long wave caused by earthquakes
What is a tsunami?
200
The layer that tectonic plates float on
What is the asthenosphere?
200

The inventor/discoverer of plate tectonics.

Who was Alfred Wegener?

200
When rocks are stretched
What is tension?
200
Magma on the Earth's surface
What is lava?
200
The main fault in California
What is the San Andreas fault?
300
Iron and nickel
What is the core made of?
300

Where plates move toward each other and collide

What is a collisional convergent boundary?

300
A fault in which younger rocks are pushed above older rocks
What is a reverse fault?
300
Rocks and ash thrown out of a volcano
What is pyroclastic material?
300
When rocks under stress snap
What is elastic rebound?
400
Powers plate tectonics
What is convection?
400
When gravity pushes down mid-ocean ridges to drive plate movement
What is ridge push?
400
A mountain formed in a collisional convergent boundary
What is a fold mountain?
400
A high area of thick solidified lava
What is a lava plateau?
400
The spot on the surface above where an earthquake starts
What is the epicenter?
500
Less other elements than the crust, but still mainly silicate rock.
What is the mantle?
500
When subducting plates pull other things down
What is slab pull?
500
A deformation/fold with the younger rocks in the center
What is a syncline?
500
How much a fluid resists flow
What is viscosity?
500
Where you should go when an earthquake occurs
Where is under the table?


Where is outside in an open area?

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