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Grade 7 dynamic Earth Quarter 5

Total questions: 95

Worksheet time: 49mins

Name
Class
Date
1.

The presence of the same __________ on several continents supports the hypothesis of continental drift.

a)

fossils

b)

rocks

c)

both fossils and rocks

d)

neither fossils nor rocks

2.

A lack of explanation for continental drift prevented many scientists from accepting that a single supercontinent called ________ once existed.

a)

Glomar

b)

Glossopteris

c)

Pangaea

d)

Wegener

3.

Matching ____________ on different continents are evidence for continental drift.

a)

river systems

b)

rock structures

c)

weather patterns

d)

wind systems

4.

Wegener believed that the continents were assembles as part of a supercontinent about ________ years ago.

a)

250 million

b)

350 million

c)

450 million

d)

550 million

5.

The _____________ hypothesis suggested that continents are in constant motion on the surface of Earth.

a)

continental drift

b)

continental shelf

c)

Pangaea

d)

Gondwana

6.

This is a picture of ___________.

a)

Pangaea

b)

Laurasia

c)

Gondwana

d)

Eurasia

7.

Alfred Wegener named his single supercontinent ____________, which means "all Earth" in ancient Greek.

a)

Pandora

b)

Gandowandaland

c)

Pangaea

d)

Percia

8.

The remains or traces of ancient life are called ____________.

a)

bones

b)

remanents

c)

fossils

d)

none of the above

9.
Who is the person credited with developing the theory of continental drift?
a)
Harry Hess
b)
Galileo
c)
Alfred Wegener
d)
Newton
10.
What two specific continents fit together most noticeably?
a)
Africa and North America
b)
South America and Europe
c)
South America and Africa
d)
 Antartica and Africa
11.

What is one piece of evidence supporting Continental Drift

a)

Volcanoes are erupting all the time.

b)

Tsunamis are created by volcanoes.

c)

The continents fit together like puzzle pieces.

d)

Erosion created the Grand Canyon.

12.

What is a second piece of evidence supporting Continental Drift?

a)

Alfred Wegener was a great thinker and scientist.

b)

Fossils of the Mesosaurus are found on different continents separated by the Atlantic Ocean.

c)

Oceans move earth around.

d)

The wind blows the continents around.

13.
What does the theory of continental drift state?
a)
The continents were once joined in a super-continent and have moved over time
b)
Continents are stationary and do not move
c)
The Earth is broken into lithospheric plates that move due to convection currents
d)
none of the above
14.
What is this a picture of?
a)
plate tectonics
b)
continental drift
c)
pangea
d)
glacier scaring
15.

The presence of the same _____ on several continents supports the hypothesis of continental drift.

a)

Fossils

b)

Rocks

c)

Weather

d)

Erosion

16.

Scientists at the time rejected Wegener’s hypothesis of continental drift because he could not explain?

a)

How or why Earth’s continents move.

b)

How animals could be located on other continents

c)

Where Glaciers were

d)

How plant fossils were located around the world

17.

What did Wegener find on several continents that supported his theory of continental drift?

a)

Rocks

b)

Fossils

c)

Both rocks and fossils

d)

Neither

18.

The coastline of South America matches the coastline of

a)

Africa

b)

Asia

c)

Australia

d)

Greenland

19.

Why did scientists reject Wegener's hypothesis?

a)

He could not explain how continents moved

b)

He was German

c)

He could not explain his evidence sufficiently

d)

Simply because they didn't like him

20.

What was the name of Wegener's supercontinent?

a)

Pangaea

b)

Gondwana

c)

Wegener

d)

Mesossaurus

21.

Different continents had matching _______ which provided evidence for continental drift.

a)

river systems

b)

rock structures

c)

weather patterns

d)

wind systems

22.

Which of the following is not a piece of evidence Wegener used to support his theory of continental drift?

a)

Climate

b)

Rocks & Mountains

c)

Fossils

d)

Human remains

23.

How do rocks provide evidence that continents move?

a)

The same rocks are found on two continents that were once joined together.

b)

The rocks were in the same climate.

c)

Certain rocks cannot exist in certain places

d)

Rocks do not provide evidence

24.

How does glacial features and coal deposits support the theory of continental drift?

a)

They do not support the theory

b)

These features cannot exist in their present location

c)

Coal forms in cold places

d)

Glaciers exist near the equator

25.

How can fossils provide evidence that continents move?

a)

Similar fossils found on continents that are now separated by vast oceans suggests that the continents were once joined together

b)

Fossils do not providence evidence

c)

Fossils of plants have been found only on continents that are joined

d)

Fossils of animals have been found only on continents that are joined

26.
Who is the scientist who proposed Continental Drift Theory?
a)
Albert Einstein
b)
Alfred Wegener
c)
Isaac Newton
d)
John Dalton
27.

What causes the continents to move?

a)

Meteors

b)

Plate tectonics

c)

Ocean waves

d)

Earth's rotation

28.

Most scientists did not believe Alfred Wegener's hypothesis about drifting land masses. Why?

a)

He did not give enough evidence.

b)

They thought his time table was off.

c)

They did not like Alfred.

d)

He could not explain how the land masses moved.

29.

Choose all the evidence Wegener used to support his Continental Drift Hypothesis.

a)

human remains

b)

fossils

c)

mountain ranges

d)

climate evidence

e)

the age of the Earth

30.
The continents move very slowly, only a few __________per year.
a)
meters
b)
kilometers
c)
centimeters
d)
miles
31.

Which two continents have the most obvious fit which supports the continental drift theory?

a)

Europe

b)

Africa

c)

Asia

d)

South America

32.

A deep, steep-sided canyon in the ocean floor

a)

trench

b)

seamount

c)

guyot

d)

abyssal plain

33.

the natural and artificial features existing on the ocean floor

a)

seamount

b)

continental shelf

c)

sonar

d)

ocean floor topography

34.

sound waves to detect and determine the location, size, and relative motion of underwater objects

a)

ocean floor topography

b)

sonar

c)

seamount

d)

continental slope

35.

an underwater mountain chain where new ocean floor is formed

a)

mid-ocean ridge

b)

seamount

c)

guyot

d)

abyssal plain

36.
A volcanic mountain that rises above the surface of the water is called ____________
a)
trench
b)
island
c)
mid-ocean ridge
d)
seamount
37.
What is a deep, underwater valley or canyon on the ocean floor?
a)
seamount
b)
trench
c)
continental rise
d)
continental slope
38.

The Mariana __________ is the deepest known place on Earth

a)

Volcanoe

b)

Seamount

c)

Ridge

d)

Trench

39.

In sea-floor spreading, molten material rises from the mantle and erupts

a)

in deep-ocean trenches

b)

along the edges of all the continents

c)

along mid-ocean ridges

d)

at the north and south plate

40.

The process by which the ocean floor sinks beneath an deep-ocean trench and back into the mantle is known as

a)

continental drift

b)

subduction

c)

conduction

d)

convection

41.

The process of ___________ continually adds new crust to the ocean floor along both sides of the mid-ocean ridge.

a)

plate tectonics

b)

seafloor spreading

c)

continental drift

d)

convection

42.

What kind of plate boundary is shown on the picture?

a)

divergent

b)

convergent

c)

transform

d)

trench

43.

The scientist credited with sea-floor spreading is _________

a)

Alfred Wegener, a German scientist

b)

Harry Hess, an American geologist

c)

J.Tuzo Wilson, a Canadian scientist

d)

Kenn Bulaso, a Filipino educator

44.

What 3 kinds of evidence were used to prove that the seafloor spread?

a)

Rock formations, age of rocks, WWII shipwrecks

b)

Age of rocks, magnetic seafloor stripes, WWII ship logs

c)

Rock formations, magnetic seafloor stripes, age of rocks

45.
What technology was used during WWII to detect enemy submarines and produce the first map of the seafloor?
a)
Sonar
b)
Radar
c)
GPS
46.

Process by which new ocean crust forms.

a)

Seafloor spreading

b)

Continental drift

c)

Mid-ocean ridge

d)

Rift

47.
What are Mid-Ocean Ridges?
a)
A chain of underwater waterfalls 
b)
A chain of underwater volcanos
c)
A chain of underwater mountains
d)
A chain of underwater rocks
48.

The youngest rocks on the ocean floor are located ____

a)

near continents

b)

at mid ocean ridges

c)

far from mid-ocean ridges

d)

near Asia

49.

What TWO words are the best used to describe how the seafloor spreads

a)

Magma and conveyor belt

b)

Earthquakes and the conveyor belt

c)

Volcanoes and earthquake

d)

Volcanoes and the conveyor belt

50.

What is the rate at which tectonic plates are moving?

a)

Between 1-9mm per year

b)

Between 1-9cm per year

c)

Between 1-9km per year

d)

Between 1-9inches per year

51.

Which of the following best explains the age of oceanic crust and ocean-floor features?

a)

continental drift

b)

crystallization

c)

seafloor spreading

d)

convection

52.

______ is the study of the forms and features of land surfaces.

a)

Tomography

b)

Topography

c)

Geology

d)

None of the above

53.

An ____ is an imaginary line on a map that shows points that have the same age

a)

isochron

b)

isochrome

c)

isomer

d)

isotope

54.

The theory of _____________. explains how new crust is created at mid-ocean ridges.

a)

continental drift

b)

plate tectonics

c)

ocean trenches

d)

seafloor spreading

55.

The theory of_____ states that Earth’s surface is made of rigid slabs of rock, or plates, that move with respect to each other.

a)

Plate tectonics

b)

continental drift

c)

ocean trenches

d)

seafloor spreading

56.

the parts which join up to form the crust are called

a)

plates

b)

tectonics

c)

lithospheres

57.

when 2 plates come close together

a)

divergent boundary

b)

convergent boundary

c)

transform boundary

58.

when 2 plates move apart

a)

convergent boundary

b)

divergent boundary

c)

transform boundary

59.

when 2 plates slip past each other

a)

convergent boundary

b)

divergent boundary

c)

transform boundary

60.

movement of the plates results from

a)

gravity

b)

heat inside earth

c)

mantle convection current

d)

all of the above

61.

subduction occurs as a result of

a)

convergent boundary

b)

divergent boundary

c)

transform boundary

62.

volcanic eruption is a result of

a)

convergent boundary

b)

divergent boundary

c)

transform boundary

63.

rift valley in Africa is a result of

a)

convergent boundary

b)

divergent boundary

c)

transform boundary

64.

The Andes mountains resulted from

a)

convergent boundary

b)

divergent boundary

c)

transform boundary

65.
What causes tectonic plates to move along the Earth's surface?
a)
wind
b)
ocean currents
c)
convection in the mantle
d)
expansion of the Earth
66.
What type of boundary occurs when two plates move away from each other?
a)
transform
b)
subduction
c)
convergent
d)
divergent
67.
What forms at a divergent boundary between two oceanic plates?
a)
rift valley
b)
mountain
c)
mid-ocean ridge
d)
trench
68.
Which type of crust is more dense?
a)
oceanic
b)
continental
c)
divergent
d)
pizza
69.
What type of boundary occurs when two plates move toward each other?
a)
convergent
b)
divergent
c)
transform
d)
lateral
70.
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
71.
A rift valley occurs at a ____________ boundary.
a)
divergent
b)
convergent
c)
transform
d)
horizontal
72.
What is the process in which hot molten rock rises, then cools and sinks back to the core?
a)
plate tectonics
b)
continental drift
c)
convection
d)
divergence
73.
A trench forms at a _________ boundary.
a)
convergent
b)
divergent
c)
transform
d)
vertical
74.
Mountains form at a ___________ boundary.
a)
transform
b)
divergent
c)
convergent
d)
subduction
75.
What type of boundary occurs when two plates slide past each other?
a)
divergent
b)
transform
c)
lateral
d)
convergent
76.
A fault forms at a _________ boundary.
a)
transform
b)
divergent
c)
horizontal
d)
convergent
77.
What type of boundary is shown at A?
a)
transform
b)
convergent
c)
divergent
d)
subduction
78.
What is happening at point B?
a)
subduction
b)
a divergent boundary
c)
convection
d)
an earthquake
79.
What is the process in which two plates move toward each other but one sinks under the other?
a)
subduction
b)
convection
c)
divergence
d)
transformation
80.

A sudden shaking of Earth's surface?

a)

Tsunami

b)

Volcano

c)

Earthquake

d)

A mesosaurus walking by

81.

One of the very large sections of hard, solid rock making up Earth's outer layer?

a)

Mantle

b)

Pattern

c)

Inner core

d)

Plate

82.

The place where to plates meet?

a)

Pattern

b)

Plate Boundary

c)

Mantle

d)

Earthquake

83.

Layer of soft, solid rock underneath Earth's surface?

a)

Mantle

b)

Inner core

c)

Crust

d)

Outer core

84.

A large ground-shaking event vertically displaces water sending a very energized wave toward shore?

a)

Volcano

b)

Earthquake

c)

Tsunami

d)

A mesosaurus splashing into the water

85.

The pieces that make up Earth's surface?

a)

Jigsaw puzzle

b)

Pattern

c)

Plate boundary

d)

Tectonic Plates

86.

Occurs when plates crash into or pull away from each other and hot magma from below rises up to the surface in an eruption?

a)

Earthquake

b)

Tsunami

c)

Volcano

d)

Liquid inner core explodes

87.

Occurs when plate boundaries get stuck together, but the plates themselves keep moving?

a)

Earthquakes

b)

Volcano

c)

Tsunami

d)

Tectonic Plates

88.

Which of these boundaries is responsible for creating volcanic arcs?

a)

Continental - Continental Convergence

b)

Oceanic - Continental Convergence

c)

Mid Ocean Ridges

d)

Oceanic - Oceanic Convergence

89.

A boundary that doesn't create or destroy crust is called a:

a)

Transform Boundary

b)

Convergent Boundary

c)

Divergent Boundary

d)

Rift Valley

90.

The bending of rock layers due to stress.

a)

Folding

b)

Anticline

c)

Syncline

91.

A break in the Earth's crust.

a)

Fault

b)

Folding

92.

Folded mountains are formed by ?

a)

Compression

b)

Faults

93.

Mountains that are made of layers of rocks that are folded are....

a)

Uplifted Mountains

b)

Fault-block mountain

c)

Folded Mountain

d)

Plateau

94.

Parallel ridges that form where blocks of crust move up o down along faults.

a)

Uplifted Mountain

b)

Volcanic Mountain

c)

Fault-block Mountain

d)

None of the above

95.

As molten rock and ash erupt onto the Earth´s surface, it hardens. Over time, many eruptions can build huge ________

a)

Volcanic Mountains

b)

Fault-block mountains

c)

Uplifted Mountains

d)

Plateau

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