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Earth Science Unit Review 2024 Flashcards | StudBud
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Earth Science Unit Review 2024
Earth Science Unit Review 2024
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1
The Pacific Ocean floor is moving this direction, about three inches per year:
South
Northwest
Southwest
Eastward
2
This is the layer of the Earth where convection currents occur.
Outer Core
Asthenosphere
Crust
Inner Core
3
Tectonic Plates are always moving.
True
False
4
Earthquakes are often a result of plates sliding sideways past each other at this type of boundary.
Divergent
Allegiant
Transform
Convergent
5
With a thickness of 2,900 km or 2,000 miles, this layer is the thickest layer of the Earth.
Crust
Mantle (Upper, middle and lower)
Outer Core
Inner Core
6
The prefix -seismic refers to...
Water
Earthquakes
Air Quality
Volcanoes
7
A hotspot can create an island over a long period of time.
False
True
8
A tectonic plate could include both oceanic and continental crust.
True
False
9
A volcanic feature that's formed when a volcano collapses is called a...
Black Hole
Fault
Rift
Caldera
10
Earth's plates are surrounded by melted rock and do not touch each other.
False
True
11
Mountain ranges and trenches in the oceans support the idea that the ocean(sea) floor is spreading.
False
True
12
Who was the scientist to propose the theory of Continental Drift?
Isaac Newton
Alfred Wegener
Richard Wagner
Albert Einstein
13
Magma that is less dense and warmer...
Moves upward
Moves downward
Does not move
Moves east
14
A lava lamp can be used to help us understand...
Reasoning behind tectonic plate movement
Density
Molecular movement when heated
Convection Currents
15
The Ring of Fire is...
a ring like shape from the western Americas, to Asia and Australia.
a horseshoe like formation that stretches from Russia to Western Africa.
a circle of underwater volcanoes found throughout the Atlantic Ocean.
a circle around the Arctic Circle.
16
Where are earthquakes and volcanoes likely to be found?
In the oceans
In the middle of continents
On tectonic plates
At plate boundaries
17
A hotspot forms from...
uneven heat transfer on the sun.
being on the borders of tectonic plates.
too much drilling for oil wells that creates "gaps".
uneven heat transfers deep below earth's surface.
18
The following are TWO pieces of evidence for Continental Drift:
Climate change in Australia and human fossils
Rock patterns and water quality
Animal and plant fossils
Continents fit like puzzle pieces and similar plastics found
19
What was Wegener missing from his idea of Continental Drift?
San Andreas Fault
Plant and animal fossils
Sea-floor spreading
Volcano and earthquake models
20
Hotspots
Stay in one place.
Created Hawaii and The Galapagos Islands.
Created the Ring of Fire.
Move under the oceanic plate.
21
Trenches and Mountains are still forming today.
True
False
22
Ocean and Continental Crusts meet:
Continental Crust Subducts
Both crusts subduct
Ocean Crust rises above the continental crust
Ocean crust subducts
23
Where is a famous hotspot found in our country?
Yellowstone National Park
Des Moines, Iowa
Isle Royale National Park
Chicago, Illinois
24
This kind of crust is thicker, but less dense.
Continental
Oceanic
25
When two continental plates collide they often form mountains. This is called a ________ boundary.
Transform
Convergent
Divergent
Allegiant
