Who Wants to be a Genius?

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Who Wants to be a Genius?

• Unit 1 Topics A, B, and C Test Review
• Plate Tectonics

2
Plates move apart at ______ boundaries

1. Convergent
2. Stable
3. Divergent
4. Transform

3
Scientists have observed that the plates move at
rates ranging from 1 cm to 12 cm per ______.

1. Century
2. Decade
3. Day
4. Year

4
In order to complete a convection current, the
rising material must eventually __________ Earth.

1. Stop inside
2. Cool
3. Sink back into
4. Warm

5
Continental drift states that continents have
moved ______to their current location.

1. Vertically
2. Slowly
3. Quickly
4. Very little

6
The Glomar Challenger provided support for the
theory of plate tectonics by providing___.

1. High-altitude photos of existing continents
2. Samples of plant life from mid-ocean ridges
3. Samples of older rock found far from mid-ocean
   ridges
4. Direct measurements of the movement of continents

7
_______ currents inside Earth might drive plate
motion.

1. Vertical
2. Convection
3. Horizontal
4. None of the above

8
A ______ forms where two oceanic plates collide.

1. Hot spot
2. Subduction zone
3. Transform boundary
4. Rift valley

9
The Andes mountain range of South America was
formed at a _________.

1. Convergent boundary
2. Divergent boundary
3. Hot spot
4. Transform boundary

10
The boundary between two plates moving together
is called a _____________.

1. Divergent boundary
2. Convergent boundary
3. Transform boundary
4. Lithosphere

11
The youngest rocks on the ocean floor are located
____.

1. Near continents
2. At mid-ocean ridges
3. Far from mid-ocean ridges
4. Near Asia

12
The result of plate movement can be seen at
_______.

1. Abyssal plains
2. Ocean margins
3. Plate centers
4. Plate boundaries

13
_____ are formed when two continental plates
collide.

1. Volcanoes
2. Strike-slip faults
3. Mountain ranges
4. Rift valleys

14
The Great Rift Valley in Africa is a ________.

1. Mid-ocean ridge
2. Divergent boundary
3. Convergent boundary
4. Transform boundary

15
Matching ____ on different continents are
evidence for continental drift.

1. River systems
2. Rock structures
3. Weather patterns
4. Wind systems

16
The crust and upper mantle make up Earths
_______.

1. Lithosphere
2. Asthenosphere
3. Core
4. Continents

17
The presence of the same ___ on several
continents supports the hypothesis of continental
drift.

1. Fossils
2. Rocks
3. Neither 1 nor 2
4. Both 1 and 2

18
Plates of the lithosphere float on the ______.

1. Crust
2. Asthenosphere
3. Core
4. Atmosphere

19
The hypothesis that continents have slowly moved
to their current locations is called_____.

1. Continental drift
2. Continental slope
3. Magnetic reversal
4. Convection

20
A lack of explanation for continental drift
prevented many scientists from accepting that a
single supercontinent called ___ once existed.

1. Glomar
2. Glossopteris
3. Pangaea
4. Wegener

21
Plates slide past one another at ________.

1. Subduction zones
2. Transform boundaries
3. Convection currents
4. Divergent boundaries

22
Seafloor spreading occurs because ____________.

1. New material is being added to the asthenosphere
2. Earthquakes break apart the ocean floor
3. Sediments accumulate at the area of spreading
4. Molten material beneath Earths crust rises to
   the surface

23
Scientists believe that differences in ____ cause
hot, plastic-like rock in the asthenosphere to
rise toward Earths surface.

1. Density
2. Magnetism
3. Weight
4. Composition

24
Wegener believed that the continents originally
broke apart about _____ years ago.

1. 200 million
2. 300 million
3. 400 million
4. 500 million

25
Active volcanoes are most likely to form at
_________.

1. Transform boundaries
2. Divergent boundaries
3. The center of continents
4. Convergent oceanic-continental boundaries

26
The ____ is (are) an example of a transform
boundary.

1. Appalachian Mountains
2. Himalaya
3. Mid-Atlantic Ridge
4. San Andreas Fault

27
One plate is forced under another in a(n)
_________.

1. Convergent boundary
2. Subduction zone
3. Mid-ocean ridge
4. Asthenosphere

28
A(n) _______ is an underwater mountain chain.

1. Continental drift
2. Subduction zone
3. Convergent boundary
4. Mid-ocean ridge