Continental Drift Answers

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Which coastlines most closely match each other and are, therefore, used as evidence to support Wegener’s theory?

A
India and Eurasia
B
Australia and Africa
C
Africa and South America
D
Australia and North America
3

A plate moves 200 m in 10,000 years. What is its rate in cm/year?

A
0.02 cm/year
B
2 cm/year
C
10 cm/year
D
100 cm/year
4

Tropical plant fossils have been found in cold Arctic islands where they cannot survive in the present-day climate of this area. According to Wegener's theory, how were these ancient tropical plants able to survive in Arctic islands?

A
Plants were more adaptable in the past.
B
The poles of Earth were warmer in the past.
C
Arctic islands were closer to the equator in the past.
D
Land movements warmed the landmasses in the past.
5

What evidence of climate change on continents supports the theory of continental drift?

A
signs that glaciers existed in South Africa
B
similar coal fields on different continents
C
change in atmospheric temperature over time
D
same animal fossils found on different continents
6

The hydrosphere refers to the total amount of water on Earth, including liquid, gas, and solid forms. Which is one way the hydrosphere has been impacted by the movement of the continents over time?

A
Glaciers that once covered South Africa have melted and can no longer form.
B
All of the continents have fewer coastal areas than they did millions of years ago.
C
Land masses near the equator have more glaciers now than they did millions of years ago.
D
The poles that were once covered by glaciers are now surrounded by warm, tropical waters.
7

Which source of evidence did Wegener use to support his theory of continental drift?

A
fossils found on Earth
B
magnetic fields of Earth
C
satellite mapping of the tropical islands
D
glaciers found near the poles
9

Which two pieces of fossil evidence support the idea of continental drift?

A
bacteria and petrified wood
B
Glossopteris and bacteria
C
Lystrosaurus and Glossopteris
D
petrified wood and Tyrannosaurus

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