Layers of Earth
Tectonic Plate Boundaries
Processes
Earthquakes
Volcanoes
100
Layer that contains the crust and uppermost part of the mantle.
What is the lithosphere?
100
Boundary where plates move apart.
What is a divergent boundary?
100
How scientists measure plate movement.
What is GPS?
100
The vibrations caused by the rupture and sudden movement of rocks along a break
What is an earthquake?
100
The molten material stored beneath Earth's surface.
What is lava?
200
Partially melted portion of the mantle below the lithosphere.
What is the asthenosphere?
200
Boundary where two plates slide past each other.
What is a transform boundary?
200
The length your fingernails grow in a year.
What is the rate of tectonic plate movement?
200
A measure of the energy released during an Earthquake
What is magnitude?
200
Magma that erupts onto Earth's surface.
What is lava?
300
The liquid layer of the Earth.
What is the outer core?
300
Boundary where two plates move toward each other.
What is a convergent boundary?
300
A measure of the energy released during an earthquake
What is magnitude?
300
A crack in the Earth crust.
What is a fault?
300
The volcano in Washington State.
What is Mount St. Helens?
400
The lithosphere consists of this.
What is the crust and outermost rigid layer of Earth?
400
The process that occurs when one tectonic plate is pushed another tectonic plate.
What is subduction?
400
The circulation within fluid caused by differences in density and thermal energy.
What is convection?
400
The fault found in California.
What is the San Andreas fault?
400
Long narrow mountains formed by magma at divergent boundaries under water.
What is mid-ocean ridges?
500
The largest tectonic plate?
What is the Pacific Plate?
500
A large landmass ong ago separated by continental drift.
What is Pangaea?
500
The mechanical and chemical processes that change Earth's surface over time.
What is weathering?
500
Number of Earthquakes of magnitude 8 or greater each year.
What is about 2?
500
Where most volcanoes occur.
What are convergent boundaries?
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