Sign up for FREE

Drift and Boundaries

Last updated over 6 years ago

39 questions

Note from the author:

1

1

1

1

1

1

This one is about Alfred Wegener's theory of continental drift, seafloor spreading, and plate tectonics.

Question 1

1.

1

1

1

3

2

2

4

1

1

2

2

1

1

Question 15

15.

1

Question 17

17.

Question 18

18.

1

1

Question 21

21.

Question 22

22.

1

1

1

1

1

2

1

1

2

1

1

2

1

1

1

1

1

Who first proposed the theory of continental drift?

Pangea

Hess

Wegener

Wilson

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

All are evidence to support the theory of continental drift EXCEPT

fossils

land features

climate change

rainfall

Question 16

16.

Magnetic stripes are ____________ on either side of the mid ocean ridge.

Younger

Asymmetrical

Symmetrical

Lighter

Rocks on the sea-floor that lie in a pattern, show a record of the reversals of

atmosphere

magnetic field

diversity

temperature

Question 19

19.

Question 20

20.

Sea-floor spreads apart at both sides of a _____ as new crust is added.

trench

mid-ocean ridge

rift valley

mountain

Drilling samples revealed that rock samples taken farther from a mid-ocean ridge are

crystal

hotter

older

younger

Question 23

23.

Question 24

24.

Question 25

25.

Question 26

26.

Question 27

27.

Question 28

28.

Question 29

29.

Question 30

30.

Question 31

31.

Question 32

32.

Question 33

33.

Question 34

34.

Question 35

35.

Question 36

36.

Question 37

37.

Question 38

38.

Question 39

39.

What year did Wegener publish his book?

1972

1912

1957

1812

What was Wegener's theory called?

Continental Drift

Expanding Earth

Rafting

Plate Tectonics

What did Wegener's book have in it?

Laws

Ideas

Evidence

What were Wegner's 3 lines of evidence?

Fossils

Climate

Rocks

Animals

Weather

What were 2 of the fossils that Wegener used as part of his evidence?

Glossoptris

Mesosaurus

T Rex

 Spinosaurus

What 2 places did they find tropical plant fossils that are currently covered in ice?

Iceland

Russia

Antarctica

Greenland

Africa

What did Wegener find in South Africa? (Read the whole page)

Mesosaurus Fossils

Deep scratches from glaciers

Glossopteris Fossils

Fossils of tropical plants

Rocks from South America

Limestone

What kind of rock was in both North America and Scotland?

Slate

Basalt

Granite

Limestone

What did Wegener name the supercontinent?

Pangaea

Laurentia

Gondwanaland

Eurasia

What was the main reason that most scientists rejected Wegener's hypothesis?

Because he was annoying

Because he couldn't tell them how it worked 

Because he didn't have enough evidence

Because he was a meterorologist

When was this theory revisited?

1950's

1970's

1920's

2000's

What caused scientisit to revisit continental drift?

The war

New technology

New rocks

New fossils

What did sonar find on the ocean bottom?

Plains

Plateaus

Valleys

Mountains

What new technology did scientists use to map the bathymetry of the ocean floor?

Echolocation

Magnetometer

Radar

Sonar

What new technology did scientists use to find changes on either side of the mid-ocean ridge? 

Compass

Sonar

Magnetometer

Radar

Where is the youngest seafloor?

In the plains

At the top of the ridge

In trenches

Near the shorelines

What new information led to the expanding earth theory?

Subduction

Seafloor Spreading

Plate Tectonics

Tectonic Plates

When continental plates collide what landform is made?

Mountains

Trenches

Islands

A and B

All of the Above

Which type of plates go under other plates?

More dense and thick

Less Dense and thin

Less Dense and thick

More dense and thin

What mixes with rock to melt it?

Air

Water

Silicon

Oil

What causes the volcanoes on the ring of fire?

Consolidation

Cooling

Upwelling

Rocking

What is the example of a transform fault (where plates slide past each other)?

Mt. St. Helens

Mt. Ranier

Ring of Fire

San Andreas

How long has the earth's surface been shifting?

13.7 billion years

4.5 billion years

250 billion years

2.5 billion years

How many major plates are on Earth?

12

18

24

7

How hot is the mantle?

1,000 - 3,700 degrees Celsius

1,000 - 3,700 degrees Fahrenheit

1,800 - 6,700 degrees Celsius

As hot as the sun

Why is part of the mantle solid?

It is under a lot of pressure

It is cool

It is hot

It is under very little pressure

Which layer of the earth is under the most pressure?

Lithosphere

Crust

Mantle

Core

What is the temperature-propelled motion in the mantle called?

Conduction

Convection

Radiation

Where are the 2 extra hot regions of the mantle?

Antarctica

East coast of North America

Central Pacific Ocean

Africa

How long does it take for the oldest, coolest parts of the crust to sink back into the mantle?

Millions of years

Billions of years

Thousands of years

Hundreds of years

How fast do plates move?

8 cm/year

10 cm/year

1 cm/year

2.5 cm/year

What was the name of the giant landmass about 250 million years ago?

Pangaea

Laurasia

Columbia

Gondwanaland

What is the theory about crust moving called today?

geography

plate tectonics

continental drift

seismology