Florida Science Grade 6

Chapter 13: Plate Tectonics

Standardized Test Practice

1.
Which of the following is used as evidence of seafloor spreading? SC.D.1.3.1
A)fossil evidence
B)climate clues
C)rock clues
D)magnetic pole reversals
2.
The process occurring in the mantle that is thought to be the force behind plate tectonics is an example of a(n) SC.D.1.3.1
A)plate boundary.
B)divergent boundary.
C)normal fault.
D)convection current.
3.
What type of forces create mountains? SC.D.1.3.1
A)tension forces
B)compression forces
C)horizontal forces
D)convection forces
4.
What is the name of the giant supercontinent in the illustration?

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SC.D.1.3.1
A)Laurasia
B)Gondwanaland
C)North America
D)Pangaea
5.
Which scientist is credited with the continental drift hypothesis? SC.D.1.3.6
A)J. Tuzo Wilson
B)Alfred Wegener
C)Harry Hess
D)W. Jason Morgan
6.
Which term refers to the ridged layer of Earth that is about 100 km thick and generally less dense than the material below it? SC.D.1.3.1
A)asthenosphere
B)lithosphere
C)plate
D)core
7.
What is the approximate rate of plate movement? SC.D.1.3.5
A)a few centimeters each year
B)a few millimeters each year
C)a few meters each year
D)a few kilometers each year
8.
What type of plate boundary has plates sliding past each other? SC.D.1.3.1
A)convergent boundaries
B)divergent boundaries
C)subduction zones
D)transform boundaries
9.
What type of plate boundary is most likely to occur at point A in the diagram?

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SC.D.1.3.1
A)transform
B)divergent
C)reverse
D)convergent
10.
Which of the following can be explained at Point B in the diagram?

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SC.D.1.3.1
A)Plates move apart and volcanoes form.
B)Plates move past each other sideways.
C)Plates are not moving.
D)Plates move toward each other and volcanoes form.
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