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CTS 8th Grade Science Plate Motion

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

Earth’s _____ layer is made of hard, solid rock.

a)

Inner

b)

core

c)

outer

d)

mantel

2.

Geologists learn about Earth’s history by studying _____ and the _____ within them.

a)

rocks

b)

planets

c)

fossils

d)

animals

3.

Men and women from different ____, _____, and _____ backgrounds work as scientists and engineers.

a)

social

b)

culture

c)

ethnic

d)

class

4.

Earth’s outer layer is divided into sections called ______.

a)

geospheres

b)

continents

c)

zones

d)

plates

5.

Geologists look for patterns in________and in _________ in order to better understand Earth.

a)

landforms

b)

geologic events

c)

history

d)

time

6.

The plates of Earth’s outer layer ______.

a)

are rigid

b)

shrink

c)

move

d)

are weak

7.

__________ provide evidence that the plates of Earth’s outer layer move.

a)

Weather patterns

b)

Earthquakes

c)

Ancient history

d)

Scientists

8.

The most common stress on rocks at convergent plate boundaries is

a)

shear

b)

tension

c)

compression

d)

confining stress

9.

When rocks suddenly move along a fault, the energy released is a(n)

a)

deformation

b)

earthquake

c)

anticline

d)

uplift

10.

A _______________ is a fracture in which there is no movement of rocks

a)

fault

b)

earthquake

c)

ridge

d)

slope

11.

__________ deformation occurs when rock returns to its original shape after stress is removed.

a)

Fault

b)

Elastic

c)

Slip

d)

Land

12.

_______________ is a change in the shape of rock due to stress

a)

Fault line

b)

Stress zone

c)

Deformation

d)

Folding

13.

A rock is more likely to fracture if

a)

it is located on the surface.

b)

it is deep within the crust.

c)

stress is applied gradually.

d)

None of the above

14.

When forces are parallel but moving in opposite directions, the stress is called

a)

subduction

b)

slip

c)

fault

d)

shear

15.

When rocks arch upward to form a circular structure, that structure is called a

a)

basin

b)

fault

c)

dome

d)

cave

16.

When rocks bend downward in a circular structure, that structure is called a

a)

basin

b)

fault

c)

dome

d)

channel

17.

________________ is the distance rocks move along a fault.

a)

Magnitude

b)

Slip

c)

Fault gap

d)

Centimeters

18.

If there is no movement on either side of a fracture, the fracture is called a

a)

subduction zone

b)

slip

c)

fault

d)

joint

19.

___________________ occurs when a deeply buried rock is pushed down by the weight of all the material above it; not allowing it to move, thus not allowing it to deform.

a)

Subduction zones

b)

Confining stress

c)

Fault lines

d)

Earthquakes

20.

The stresses that cause the Himalaya to rise are

a)

tension

b)

compression

c)

shear

d)

confining