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Friday Plates

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Which of these explains how the mountains in the Coast Range of California formed?
a.
The separation of two tectonic plates caused Earth’s mantle to uplift.
b.
The collision of two tectonic plates caused Earth’s lithosphere to bend, fold, and uplift.
c.
Major earthquakes along the San Andreas Fault caused one tectonic plate to rise high above sea level.
d.
The subduction of one tectonic plate under another caused Earth’s lithosphere to melt and reform as a mountain as it cooled.
 

 2. 

Which of these statements BEST explains the discovery of the same types of rocks in South America and Africa?
a.
South America and Africa are similar in shape.
b.
South America and Africa were once connected.
c.
Rocks in South America and Africa are similar only by accident.
d.
Rocks in South America and Africa have eroded in similar ways.
 

 3. 

The San Francisco Bay area experienced a large earthquake in 1989. This earthquake occurred along the San Andreas Fault system. What causes earthquakes along this fault system?
a.
The eruption of nearby volcanoes.
b.
A sudden movement of tectonic plates.
c.
The smooth movement of tectonic plates.
d.
A movement of the hot spot in the mantle.
 

 4. 

Scientists found pine tree fossils in the middle of a desert. 
Which of these statements describes why pine tree fossils were found in the desert?
a.
The area was once under the ocean but was raised up.
b.
The fossils were moved to the desert by volcanic action.
c.
The area once received much more rain than it does now.
d.
Pine trees once grew in the desert but became extinct there.
 

 5. 

A scientist found fossils of many marine organisms high in the mountains. Why were these fossils MOST LIKELY found there?
a.
Erosion and deposition moved the marine fossils into the mountains.
b.
Land animals that fed on sea life carried their prey into the mountains.
c.
When the ocean level was much higher, the mountains were under water.
d.
The mountains formed in a marine area that was uplifted by movement of tectonic plates.
 

 6. 

Fossils similar to organisms that are found in oceans today have been found on top of mountains. How can this be explained?
a.
The ocean organisms can live on the land or in the water.
b.
Ocean organisms were once able to breathe air.
c.
The rocks where the fossils were found were formed under an ocean and uplifted.
d.
Marine organisms have evolved into land organisms.
 

 7. 

What piece of evidence supports the past existance of a supercontinent called Pangaea?
a.
The same fossil dinosaurs are found along the coasts of Africa and South America and the continents are shaped like pieces in a jig-saw puzzle
b.
Dinosaurs went extinct 65 million years ago
c.
The same species of plants and animals live in both Northern and Southern Africa
d.
Earthquakes and volcanoes occur around the ?Ring of Fire? in the Pacific Ocean region
 

 8. 

Fossil B is found deeper in the Earth’s crust than Fossil A. This generally means
a.
Fossil A is older than Fossil B.
b.
Fossil A is younger than Fossil B.
c.
the two fossils are the same age.
d.
the deepness of the fossil does not relate to age.
 

 9. 

Bubba learned that the formation of the Hawaiian Islands was much different from the formation of features like cliffs and canyons. Which of these explains the formation of the Hawaiian Islands?
a.
action of hurricanes
b.
erosion caused by rivers
c.
movement of Earth’s crust
d.
deposition caused by glaciers
 

 10. 

Two tectonic plates pushing together will cause
a.
mountains to form.
b.
ocean valleys to form.
c.
the growth of Earth’s crust.
d.
the growth of existing volcanoes.
 

 11. 

A sudden movement along a break in the Earth’s crust causes
a.
volcanoes
c.
earthquakes
b.
hot spots
d.
erosion.
 

 12. 

Which of the following is caused by movement of the Earth’s plates?
a.
Ocean currents and ocean tides
b.
Tornadoes and tropical storms
c.
Hurricanes and erosion
d.
Volcanoes and earthquakes
 

 13. 

Which type of boundaries most commonly produce Continental mountain ranges?
a.
Convergent boundaries
c.
Oceanic boundaries
b.
Divergent boundaries
d.
Transform boundaries
 

 14. 

The mid-ocean ridge, resulting from magma reaching Earth’s surface, is caused by which of the following?
a.
Continental collisions
c.
Divergent boundaries
b.
Subduction
d.
Convergent boundaries
 

 15. 

Why does the area around the Pacific ocean have many active volcanoes and earthquakes?
a.
Many tectonic plates meet at the edges of the Pacific Ocean
b.
The Pacific Ocean is on top of a thin section of the Earth’s crust
c.
The Earth’s crust is thickest under the Pacific Ocean
d.
The mass of the ocean water weakens the Earth’s crust.
 

 16. 

The plate movement at a transform boundary will cause
a.
an earthquake
c.
mountain building
b.
an eruption
d.
a mid-ocean ridge.
 

 17. 

What causes most sand to move along coastlines?
a.
the action of waves
b.
the motion of oceanic plates
c.
the pull of Earth?s magnetic field
d.
the eruption of coastline volcanoes
 

 18. 

A mid-ocean ridge is evidence of the theory of plate tectonics because
a.
plate tectonic boundaries do not occur at mid-ocean ridges
b.
crust is neither created nor destroyed at a mid-ocean ridge
c.
old crust is destroyed as the plates come together
d.
new crust is created as the plates separate.
 

 19. 

The movements of the Pacific Plate and the North American Plate affect the geology of California. Some students found fossils of ocean animals while on a field trip in the mountains, as shown in the diagram below.
mc019-1.jpg 

 
The fossils became located at the top of the mountains because plate movements
a.
lifted up the lithosphere.
b.
pushed the lithosphere sideways.
c.
moved the continent from the Pacific Plate to the North American Plate.
d.
moved the continent from the North American Plate to the Pacific Plate.
 

 20. 

The Himalayan mountains were formed 40 million years ago when
a.
great volcanoes died on the Indian subcontinent
b.
the Indian tectonic plate collided with the Eurasian tectonic plate
c.
a swarm of earthquakes hit the area
d.
the Pangaea supercontinent begin breaking apart.
 

 21. 

Which of the following will form a volcano?
a.
Glaciel movement at a plate boundary
b.
Two tectonic plates sliding past each other
c.
Two tectonic plates coming together
d.
Erosion of the Earth’s upper crust
 

 22. 

Which geologic events are caused by movement of plates?
a.
earthquakes, hurricanes, flooding
b.
earthquakes, tsunamis, jet stream
c.
mountain building, erosion, formation of deltas
d.
mountain building, volcanic eruptions, earthquakes
 

 23. 

Read this passage and answer the following question. 

Weathering and erosion are natural processes that have formed many of Earth’s geological features. In England, these processes have helped form the White Cliffs of Dover, the North Sea, and the English Channel.
 
The White Cliffs of Dover got their name because they are made of chalk (or calcium carbonate), which is a type of limestone. The cliffs were actually formed under water. A long time ago, the land was covered by a warm sea filled with microscopic plankton. When the plankton died, their bodies were deposited at the bottom of the sea. They formed a giant graveyard of lime mud that slowly turned into chalk. Movements in the Earth’s crust caused this thick layer of chalk to rise above the sea and become giant cliffs. At that time, the white cliffs extended all the way from England to France.
 
But the cliffs didn’t stay that way for long. During the Ice Age, large glaciers carved parts of the chalky cliffs into valleys. Then, water filled in the valleys, which became the North Sea and later the English Channel. Now, the White Cliffs of Dover are on the English coast facing France. There are also some white cliffs on the French coast facing England. Even today, the White Cliffs of Dover still erode at a rate of about 1 centimeter per year.

What erosive force created the North Sea?
a.
acid
c.
waves
b.
glaciers
d.
wind
 

 24. 

If Benjamin sees valleys on a picture of a planet, why does he conclude that the planet has or once had water?
a.
Valleys are formed by moving water.
b.
Valleys always form near volcanoes.
c.
Valleys form over underground lakes.
d.
Valleys are left behind after an ocean dries up.
 

 25. 

Which surface feature is evidence that water once moved across it?
a.
mountain
c.
valley
b.
volcano
d.
fault
 



 
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