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Plate Tectonics
Mrs. S. Young -- Test Wednesday, April 8.
22
Science
7th Grade
04/06/2009

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Term
Pangea
Definition
first continent; formed the current 7 continents
Term
The Theory of Plate Tectonics states that the Earth's crust is made of plates that are in constant motion.
Definition
What does the theory of plate tectonics state?
Term
volcanoes
Definition
weak spots on in the Earth's crust where melted lava rises to the surface
Term
Earthquakes
Definition
What Occurs when Earth's plates shift?
Term
Tsunami
Definition
A large ocean wave
Term
Outside (Level 1)
Definition
Where is the crust located in the structure of the Earth?
Term
RIght below the Crust (level 2)
Definition
Where is the mantle located in the structure of the Earth?
Term
Below the Mantle (level 3)
Definition
Where is the outer core located in the structure of the Earth?
Term
Below the outer core (Level 4)
Definition
Where is the inner core located in the structure of the Earth?
Term
Convectin Currents
Definition
When magma is heated deep inside the earth, then rises, cools, and sinks back. Forms volcanoes
Term
1. Plates
2. Boundries
3. Faults
Definition
What is the order of Plate Tectonics?
Term
boundaries
Definition
The place whre two or more plates meet. Below the crust.
Term
1. Convergent
2. Divergent
3. Transform
Definition
What are the three types of boundaries
Term
Convergent Boundary
Definition
A type of boundary in which plates come together
Term
Divergent Boundary
Definition
A type of boundary in which plates move away from each other. Space in between can form a valley.
Term
Transform Boundary
Definition
A type of boundary in which plates are sliding past each other in opposite directions.
Term
Faults
Definition
Breaks in Earth's crust that form along boundaries
Term
1. Strike Slip
2. Normal
3. Reverse
Definition
What are the three types of Faults
Term
San Andreas Fault
Definition
A boundary between the NOrth American and Pacific PLate; a strike slip slip fault in California.
Term
Mount St. Helen's
Definition
Found at the North American/Pacific Plate boundary. Erupted in Washington in 1980.
Term
Rio Grande Rift
Definition
Normal fault in Colarado and New Mexico
Term
Tsunami
Definition
A series of huge waves caused by an underwater earthquake, volcanic eruption, or land slide. Can be very destructive, but many times can be predicted.
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