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Plate Tectonics

Total questions: 35

Worksheet time: 46mins

Name
Class
Date
1.
The area around the Pacific Ocean where lots of earthquakes and volcanoes happen is called the ____________.
a)
Ring of Earth
b)
Ring of Fire
c)
Ring of Stone
d)
Ring of Diamond
2.

What type of boundary is shown in the diagram?

a)

Divergent

b)

Convergent

c)

Transform

3.

What type of boundary is shown in the diagram?

a)

Divergent

b)

Convergent

c)

Slide/Transform

4.

What type of boundary is shown in the diagram?

a)

Divergent

b)

Convergent

c)

Slide/Transform

5.
A plate boundary where two plates move away from each other is called
a)
Divergent Boundary
b)
Convergent Boundary
c)
Transform Boundary
d)
Subduction
6.

Scientists hypothesize that a super continent existed 200 million years ago. This continent is called

a)

America

b)

Super Earth

c)

Pangaea

d)

Eurasia

7.
A Plate Boundary where two plates move toward each other is called
a)
Convergent Boundary
b)
Divergent Boundary
c)
Transform Boundary
d)
Subduction
8.

_______________ Currents within the mantle cause the earth's plates to move and shift as molten material rises and falls due to density and gravity

a)

Convection

b)

Radiation

c)

Conduction

d)

Wind

9.
Divergent Plate movement can create
a)
Convection Currents
b)
Conduction
c)
Mountains
d)
Rifts and ocean ridges
10.
When pressure builds between two tectonic plates, it can suddenly release causing a (an) ______________________
a)
Earthquake
b)
Volcano
c)
Convection Current
d)
Gravitational Pull
11.
Wegener suggested that coal beds discovered in Antarctica indicated that this continent was
a)
once under water
b)
always  frozen
c)
once near the equator
d)
part of Africa
12.
The Himalayan mountains have some of the highest peaks like Mt. Everest, on which type of convergent boundary are they located?
a)
Oceanic/Continental
b)
Oceanic/Oceanic
c)
Continental/Continental
d)
None of the above
13.
The mechanism that moves continents is based on heat energy moving by
a)
Radiation in the core
b)
Conduction in the lithosphere
c)
Convection in the Asthenosphere
d)
None of these options is true
14.

The San Andreas fault in California is one example of a...

a)

Divergent boundary

b)

Convergent boundary

c)

Transform boundary

d)

All of the above

15.
What type of plate boundary is this?
a)
Plate
b)
Divergent
c)
Convergent
d)
Transform
16.

Where would the oldest crust be found?

a)

L

b)

M

c)

N

d)

O

17.
The Great Rift Valley in Africa and the Mid-Ocean Ridge were all created by this boundary
a)
Divergent
b)
Convergent
c)
Reform
d)
Transform
18.
A subduction zone is formed...
a)
when one tectonic plate sinks below another
b)
at every type of convergent plate boundary
c)
at every type of divergent plate boundary
d)
at transform boundaries
19.
Which type of crust is more dense?
a)
oceanic
b)
continental
c)
divergent
d)
pizza
20.
What forms at a convergent boundary between a continental plate and an oceanic plate?
a)
volcanoes
b)
rift valleys
c)
faults
d)
mid-ocean ridges
21.

What is happening at location A?

a)

transform boundary earthquakes

b)

ocean trench from a convergent boundary

c)

sea floor spreading at a divergent boundary

d)

subduction

22.

What is happening at point B?

a)

subduction

b)

a divergent boundary

c)

convection

d)

an earthquake

23.

What is the motion of Earth's plates like?

a)

fast and in stages

b)

slow and in stages

c)

fast and constant

d)

slow and constant

24.
When two tectonic plates interact, what can be caused?
a)
Beach erosion and Tornadoes
b)
Tsunamis and storms
c)
Earthquakes and volcanoes
d)
Tornadoes and Hurricanes
25.

Proposed by Alfred Wegener, that the continents were once joined together and have since drifted apart

a)

theory of plate tectonics

b)

tectonic plates

c)

plate boundary

d)

theory of continental drift

26.

Oceanic Trenches are formed by either _______ or _______ plate boundaries

a)

Convergent Oceanic / Continental

b)

Convergent Continental / Continental

c)

Convergent Oceanic / Oceanic

d)

Divergent

27.

In some areas of the world, like California and Japan, earthquakes are a common occurrence. How can this best be explained?

a)

The strong ocean currents are undermining both areas causing earthquakes.

b)

Both areas are located near the edge of the Pacific Ocean, the unstable sand causes earthquakes.

c)

Both areas are subjected to strong ocean wind and waves that causes earthquakes.

d)

Both areas are on the boundary of active plates, the motion of the plates causes earthquakes.

28.

Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that

a)

the oceanic crust is melting.

b)

the denser ceanic crust is subducting under the less dense oceanic crust

c)

volcanic islands are forming.

d)

the tectonic plates are moving away from each other.

29.

The map in the picture shows tectonic plate boundaries. This map would be useful in predicting the location of future

a)

droughts

b)

hurricanes

c)

earthquakes

d)

tornadoes

30.
What geological forces might be responsible for this range of mountains?
a)
diverging tectonic plates
b)
erosion of the land by the ocean
c)
converging tectonic plates
d)
deposition of sediments by the ocean
31.

Earthquake epicenters (center of where the earthquakes started) were mapped for a 35 year period in the diagram above. The black dots indicate these epicenters. The black dots appear along what feature on Earth?

a)

hot spots

b)

plate boundaries

c)

rift zones

d)

sea floor spreading

32.

Which of the following were peices of evidence used by Alfred Wegener to support his hypothesis of Continental Drift? (choose ALL that apply)

a)

fit of the continents

b)

matching rocks and mountains across continents

c)

matching fossils across continents

d)

evidence of glaciers in places now too warm

e)

magnetic striping on the seafloor showing seafloor spreading

33.
This is a picture of glacier scars found in Africa.  What are these evidence for?
a)
Africa has always been near the equator
b)
Africa was once in an area of the Earth that had a very cold climate
c)
The continents have not moved
d)
sea floor spreading
34.

What causes the uneven distribution of earth's resources?

a)

plate tectonics, rock cycle, and erosion

b)

natural disasters

c)

ONLY plate tectonics

d)

asteroids

35.

According to data on the map, along what boundary is copper usually formed and why?

a)

divergent, because of the sea floor spreading

b)

transform, because of the earthquakes

c)

convergent, because of subduction

d)

diffusion, because of convection