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Chapter 4: Plate Tectonics

Total questions: 45

Worksheet time: 26mins

Name
Class
Date
1.
During sea-floor spreading, the ocean floor eventually sinks into deep ocean canyons called trenches where ________ takes place, which is where the crust sinks back into the mantle.
a)
radiation
b)
conduction
c)
subduction
d)
evaporation
2.
Which of the following is NOT a change to the Earth's surface caused by convection currents?
a)
the Grand Canyon
b)
deep ocean trenches
c)
volcanoes
d)
mountains
3.
Sea floor spreading occurs on either side of a(n) _________ as new crust is added.
a)
mid-ocean ridge
b)
mantle
c)
earthquake
d)
magnetic stripe
4.
Who first proposed the theory of continental drift?
a)
Wegener
b)
Wilson
c)
Pangea
d)
Hess
5.
How do scientists learn about Earth's interior?
a)
aliens
b)
fossilized plants
c)
ocean currents
d)
rock samples and seismic waves
6.
Alfred Wegener hypothesized that at one time all the continents were joined together in a single land mass he called
a)
Gondwana Land
b)
Tarabithia
c)
Neverland
d)
Pangea
7.
________ was a Canadian Scientist that came up with the theory of plate tectonics.
a)
J. Tuzo Wilson
b)
Alfred Wegener
c)
Harry Hess
d)
Thomas Hook
8.
All of the following are evidence to support the theory of continental drift EXCEPT
a)
land features
b)
fossils
c)
rainfall
d)
climate change
9.
The Himalayas were formed by a ________ boundary between two __________ plates.
a)
convergent; continental
b)
transform; oceanic
c)
divergent; continental
d)
convergent; oceanic
10.
________ boundaries are where two plates slip past each other, moving in opposite directions.
a)
Convergent continental
b)
Divergent
c)
Transform
d)
Convergent ocean
11.
The ________ is the layer of rock that forms the Earth's outer skin.
a)
outer core
b)
mantle
c)
crust
d)
core
12.
________ crust consists mainly of granite.
a)
Deep
b)
Continental
c)
Oceanic
d)
Mountain
13.
The core consists mainly of ________ and ________.
a)
copper and nickel
b)
silver and iron
c)
iron and nickel
d)
gold and silver
14.
A ________ boundary happens when two plates come together, causing a collision.
a)
divergent
b)
convergent
c)
transform
d)
mid-ocean ridge
15.
The ________ is the softer, hotter part of the mantle that tectonic plates float on.
a)
asthenosphere
b)
crust
c)
lithosphere
d)
lower mantle
16.
Subduction causes deep underwater canyons called ________.
a)
trenches
b)
convergent boundaries
c)
earthquake zones
d)
divergent boundaries
17.
Rocks on the sea floor that lie in a pattern show a record of the reversals in the Earth's ________.
a)
magnetic field
b)
diversity
c)
temperature
d)
atmosphere
18.
The ________ is the layer of the Earth that is a dense ball of solid metal.
a)
upper mantle
b)
lower mantle
c)
outer core
d)
inner core
19.
Drilling samples revealed that rock samples taken farther from a mid-ocean ridge are
a)
younger
b)
crystal
c)
older
d)
hotter
20.
________ crust is thinner and consists mostly of basalt.
a)
Deep
b)
Mountain
c)
Oceanic
d)
Continental
21.
Which of the following describes what is happening at point B in the figure below?
a)
core heat causes temp to rise, therefor decreasing its density
b)
material cools, becomes denser, and begins to fall
c)
less dense material is heated and begins to rise
d)
rising material hits lithosphere and slides because it cannot go any further
22.
Which of the following has the letters in the figure below labeled correctly?
a)
A) upper mantle, B) crust, C) lower mantle, D) outer core, E) inner core
b)
A) crust, B) upper mantle, C) lower mantle, D) inner core, E) outer core
c)
A) crust, B) upper mantle, C) lower mantle, D) outer core, E) inner core
d)
A) crust, B) outer core, C) inner core, D) upper mantle, E) lower mantle
23.
_______ is the measure of how much mass there is in a volume of a substance.
a)
radius
b)
mass
c)
area
d)
density
24.
The ________ and ________ are the layers that make up the tectonic plates.
a)
upper mantle and lower mantle
b)
asthenosphere and upper mantle
c)
crust and upper mantle
d)
crust and asthenosphere
25.
Convection currents have been acting like a(n) ________ moving the lithosphere above for many years.
a)
fulcrom
b)
conveyor belt
c)
pulley system
d)
seesaw
26.

What process involves the creation of new oceanic crust at mid-ocean ridges and its movement away from the ridges?

a)

Continental Drift

b)

Plate Tectonics

c)

Sea Floor Spreading

d)

Subduction

27.

Who proposed the theory of continental drift?

a)

Harry Hess

b)

Alfred Wegener

c)

Isaac Newton

d)

Charles Darwin

28.

What is the name given to the single landmass that broke apart over 200 million years ago to form the continents we know today?

a)

Gondwana

b)

Laurasia

c)

Pangaea

d)

Eurasia

29.

What are the large pieces of Earth's lithosphere that move around on the asthenosphere called?

a)

Continental Plates

b)

Oceanic Plates

c)

Tectonic Plates

d)

Crustal Plates

30.

What geological feature is found where two tectonic plates move apart, often resulting in volcanic activity?

a)

Mountain Ranges

b)

Mid-Ocean Ridges

c)

Deep Sea Trenches

d)

Fault Lines

31.

The theory that continents have moved and are still moving slowly across the Earth's surface is known as what?

a)

Plate Tectonics

b)

Continental Drift

c)

Sea Floor Spreading

d)

Earth's Rotation

32.

Who is credited with the theory of sea floor spreading?

a)

Alfred Wegener

b)

Harry Hess

c)

Charles Darwin

d)

Isaac Newton

33.
Who is the person credited with developing the theory of continental drift?
a)
Harry Hess
b)
Galileo
c)
Alfred Wegener
d)
Newton
34.
Who is the person credited with developing the theory of continental drift?
a)
Harry Hess
b)
Galileo
c)
Alfred Wegener
d)
Newton
35.
What do you call the supercontinent landmass formed million years ago?
a)
Pangea
b)
Asia
c)
Pantallasa
d)
Eurasi
36.
What boundary creates mountains?
a)
convergent
b)
divergent
c)
transform
d)
fast
37.
Which of these is a key piece of evidence of contiental drift?
a)
Continent shapes
b)
Fossil record
c)
Rock layers
d)
All of the above
38.
Wegener’s proposal of a supercontinent was supported by:
a)
earthquake data
b)
seafloor magnetism
c)
rock, fossil, and climate data.
d)
convection currents in the mantle.
39.

Wegener noticed that the Appalachian Mountains and Caledonian Mountains line up and are made of the same rock types. This was a type of ....

a)

Fossil Evidence

b)

Rock Formation Evidence

c)

Climate Evidence

d)

Objective Evidence

40.
What are the remains of organism noticed by Wegener that are found the same in two continents?
a)
Leaves and flowers
b)
Ice and mountains
c)
Plants and animals
d)
Dinosaurs and reptiles
41.

This German scientist first proposed continental drift theory

a)

Harry Hess

b)

Alfred Wegener

c)

Archimedes

d)

Thomas Warner

42.
The presence of the same ________ on several continents supports the idea of continental drift.
a)
rocks
b)
fossils
c)
both fossils and rocks
d)
neither fossils nor rocks
43.
Name the boundary.
a)
convergent boundary
b)
divergent boundary
c)
transform boundary
d)
sergent boundary
44.
What is this a picture of?
a)
plate tectonics
b)
continental drift
c)
pangea
d)
glacier scaring
45.

What was the name of Alfred Wegeners Theory?

a)

Seafloor Spreading Theory

b)

Pangaea Theory

c)

Plate Tectonics Theory

d)

Continental Drift Theory

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