Unit 2 Exam
Part I: Multiple Choice
PS 2.2d - Pangaea
1. (1 point) What is Pangaea?
a. The way the world looks today
b. A supercontinent that contained all seven continents
c. A country in Asia
d. The idea that continents drifted apart
2. (1 point) How long ago did Pangaea exist?
a. 20 years ago
b. 100 years ago
c. 1,000 years ago
d. 240 million years ago
3. (1 point) Who came up with the idea of Pangaea?
a. Alfred Wegener
b. Scientists today
c. Your science teacher
d. Charles Darwin
4. (1 point) Which of the following provides evidence that the continents were once
connected?
a. Fossils
b. Water
c. The atmosphere
d. Cave paintings
Use the map to answer the next two
questions.
5. (1 point) Which feature of the continents
best suggests that they were once joined?
a. Some continents fit together
like puzzle parts.
b. Some continents are the same
size.
c. All continents have mountain
ranges.
d. All continents contain the
same crustal composition.
6. (1 point) Part of the east coast of South America and the west coast of Africa have matching
fossils within the same series of rock layers. This provides evidence that these two
continents were once
a. separated by a much larger ocean
b. joined together as one piece of land
c. located near the North Pole
d. in a different hemisphere
Use the map below to answer the next two questions. It indicates the possible location of some
of Earth’s continents in the past.
7. (1 point) Which evidence best supports the idea that the landmasses on Earth were once in
these positions?
a. North America and India have matching mountain chains.
b. Madagascar and India have similar shapes.
c. Matching rock layers can be found in Africa and South America.
d. Bedrock in Greenland and Australia have glacier scratches.
8. (1 point) According to evidence from mountain ranges, which two landmasses were probably
once connected?
a. Greenland and Africa
c. South America and Africa
b. Greenland and Europe
d. Europe and Africa
PS 2.2b - Layers of the Earth & Convection
(1 point each) Directions: For each of the layers of the earth below, write down the letter of the
statement that best describes it. One answer has two answer choices.
9. _____ CRUST
a. Uses convection currents to move around molten rock.
10. _____ MANTLE
b. Hottest layer of the earth
11. _____ CORE
c. Thin layer of rock that is under oceans and continents.
12. (1 point) In which diagram are the layers of the earth correctly labeled?
13. (1 point)
Using the diagram above, which type of crust is thicker?
______________________________________________________________________________
______________________________________________________________________________
14. (1 point) How is the temperature of the earth’s crust different from the temperature of the
inside of the earth? Which is hotter? Explain why using the picture.
______________________________________________________________________________
______________________________________________________________________________
15. (1 point) Many scientists believe that plates move because of convection currents in Earth’s
a. crust
b. mantle
c. outer core
d. inner core
16. (1 point) Look at the drawing of earth’s interior.
Arrows in the drawing show which of the following?
a. earthquakes
b. continents
c. convection currents
d. continental drift
PS 2.2e - Theory of Plate Tectonics & Plate Boundaries
17. (1 point) The map shows some geologic features located
near the west coast of the United States.
The arrows on either side of the fault represent
a. volcanic eruptions
b. rock formations
c. the movement of air masses
d. the relative movement of tectonic plates
(transform boundary)
18. (1 point) Movement of earth’s crust along plate boundaries produces
a. Thunderstorms
b. Tornados
c. Hurricanes
d. Earthquakes
19. (1 point) The bold line on the map shows the San
Andreas fault.
The San Andreas fault is the result of
a. people
b. a large glacier
c. weather
d. plate movement
20. (1 point) Identify one geologic event that often occurs near the type of plate boundary in
the diagram below.
(1 point each) Each of the statements below describes a type of plate boundary. Read over
them. Choose the answer choice that matches ALL of the statements with the correct plate
boundary.
I.
The movement of plates past one another (sliding motion) can cause earthquakes
II.
Magma rises to the Earth’s surface from plates that move apart and forms valleys
III.
When these plates move together, they often form mountain ranges
21. _____ CONVERGENT BOUNDARY
22. _____ DIVERGENT BOUNDARY
23. _____ TRANSFORM BOUNDARY
24. (1 point) Place an X on the map below to indicate the location at 20S 60 W.
Volcanoes and Rocks
25. A volcano erupts violently sending ash in the air every week. This volcano is
a. Active
b. Dormant
c. Extinct
26. Scientists say that Mt. St. Helen’s volcano is _________ because it never erupts and will
not erupt again.
a. Active
b. Dormant
c. Extinct
Name:______________________ _________________________________ Class:___________
Unit 2 Exam
PS 2.2d
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24.
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PS 2.2b
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13. _________________________________
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PS 2.2e
17. ______________
Volcanoes
25. _____________
26. ______________