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Unit 9 Test Review Flashcards | StudBud
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Unit 9 Test Review
Unit 9 Test Review
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Questions
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Answers
1
What type of boundary is shown below?
transform
divergent
convergent
2
What caused the emergence of large mammals in the Tertiary Period?
rise of modern birds
appearance of man
development of grasslands
extinction of dinosaurs
3
What is an epicenter?
the central point of the earthquake
Collierville Middle School
where the lava is hottest
where the earthquake is the strongest
4
What does the fact that Earth’s present continents seem to fit together like puzzle pieces tell us?
The continents have similar geography and climate.
The continents were once joined together in a large land mass.
Africa contains more fossils than South America.
The continents have similar weather patterns.
5
Which events are
commonly
associated with the mountains and volcanoes that surround the Pacific Ocean?
earthquakes
tornadoes
glaciers
typhoons
6
How would you describe the Earth’s crust?
plastic and flowing
brittle and flowing
brittle and rigid
plastic and rigid
7
Where would you most likely find divergent boundaries?
at interior continental mountains between continental plates
at faults that occur between continental plates
at coastal mountains between continental and oceanic plates
at mid-ocean ridges between oceanic plates
8
What do scientists believe caused the mass extinction that killed the dinosaurs and ended the Mesozoic era?
astroid
humans hunting the dinosaurs
supernova
earthquake
9
What is the least dense layer of the Earth?
outer core
crust
inner core
mantle
10
Developing alternative energy sources will reduce our need for
habitats
cars
electricity
fossil fuels
11
Which is true according to the Plate Tectonic Theory?
Lithospheric plates only form transform boundaries
Lithospheric plates move because of a liquid inner core.
Continents drift because they rest on lithospheric plates that move.
Lithospheric plates are destroyed at the mid-ocean ridges.
12
The Appalachian Mountains used to be taller. What would cause the change over a long period of time?
They were buried under lava by volcanic eruptions.
They have experienced weathering and erosion.
They have been blown up by people mining for coal.
They were buried under the Atlantic ocean.
13
When oceanic crusts move apart what will be formed in the space between them?
mountain ranges
new seafloor
volcanoes
earthquakes
14
What evidence could be used to prove that an astroid cause the dinosaurs to go extinct?
foraminifera fossils disappearing after the K-T boundary
high levels of iridium at the K-T boundary
a supernova caused the extinction, not an astroid
locating the Chicxulub Crater
15
Which problems are likely to happen during a massive earthquake?
create of tsunami and landslides
loss of electrical infrastructure
contamination of air
damage of property and lives
16
What is the densest layer of the Earth?
crust
mantle
inner core
outer core
17
Which location experiences more earthquake activity?
W
X
Y
Z
