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Earth's Layers and Plate Tectonics Flashcards | StudBud
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Earth's Layers and Plate Tectonics
Earth's Layers and Plate Tectonics
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A #6thgrade #science level Quiz on #earthslayers and #platetectonics - Based on FL standards
Flashcards
29 cards
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Practice quiz
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Questions
29
Answers
1
What forms when continental crust diverges?
Folded Mountains
Rift Valleys and new crust
Volcanoes
Islands
2
Which seismic wave travels the fastest?
p-waves
ocean waves
s-waves
surface waves
3
Which seismic wave travels the slowest and cause most of the destruction during and earthquake?
surface waves
s-waves
ocean waves
p-waves
4
The epicenter is the point on Earth's surface directly above the hypocenter
False
True
5
How many major plates are in the world?
7
17
9
4
6
What evidence did Wegener find to support his theory of Continental Drift?
Matching rock layers and fossils on multiple continents.
Fossils found only on one continent
Plant fossil only found in Asia.
Rare phytoplankton found in Australia.
7
Who was the scientist that was responisble for developing the theory of the continental drift?
Harry Hess
Alfred Hess
Alfred Wegener
Harry Wegener
8
Divergent boundaries occure where two plates-
slide apart from each other
slide towards each other
slide past each other
do not move
9
What forms when oceanic crust diverges?
Mountains form
Islands are created
Creates mid-ocean ridges (seafloor spreading) & new crust
New crust
10
Why did other scientists not support Wegener's theory of Continental Drift?
He had no evidence to support his claim.
His evidence supported the idea that the plates hadn't moved.
He could not explain how the plates moved.
He could explain how the plates moved.
11
Convergent boundaries occure where two plates
do not move
slide apart from each other
slide past each other
slide toward each other
12
Why is the Ring of Fire, an area in the Pacific, where many earthquakes and volcanoes happen?
Plates tranfroming
There are numerous tectonic plate boundaries along the edges
Plates diverging
Plates converging
13
The three different types of volcanoes are:
composite, shield and cider bowl
cinder cone, composite and surface
cinder cone, composte and shield
cinder cone, composite and shield
14
What would happen if you moved further down to the center of the Earth?
The pressure would decrease and it would get cooler
The pressure would increase and it would get cooler
The pressure woud decrease and it woudl get hotter
The pressue would increase and it would get hotter
15
Transform boundaries occure where two plates-
slide away from each other
do not move
slide towards each other
slide past each other
16
Which of the following
IS TRUE
about the Outer Core?
It is liquid metal (iron and nickel).
Convection currents that move the crust happen here.
It is solid metal (iron and nickel).
It is part of the Asthenosphere.
17
Which of the following is
NOT TRUE
about the Mantle?
It is only solid.
It is an amorphous solid (not truly a liquid or a solid).
The upper mantle is part of the Lithosphere.
Convection currents that move the crust happen here.
18
What is the Lithosphere?
The Lithosphere is the crust.
The Lithosphere is the crust and upper layer of the mantle.
The Lithosphere is the mantle.
The Lithosphere is the sphere of earth containing soil.
19
What forms when 2 Oceanic Plates of different densities converge?
Mountain ranges form in the ocean.
Subduction creates trenches and volcanic island arcs.
Rift Valleys
Sea Floor Spreading
20
What forms when continental crust converges with continental crust?
Volcanoes
Islands
Mountains
Rift Valleys
21
What is the continental drift?
the continents do not drift
Slow movement of the continents across the Earth's surface
Fast movements of the conitnents across Earth's surface
Sloth slide
22
New crust is created in the ocean at mid-ocean ridges. What does this do to older rocks?
Forces old crust to bunch together causing mountains.
Pushes older rocks to the side causing seafloor spreading.
It makes the layer of crust thicker.
Melts it and adds it to the new crust formation.
23
Which of the following is
NOT TRUE
about the Inner Core?
It is liquid metal.
It is the most dense layer.
It is solid metal.
It is the hottest layer of Earth.
24
When the earth cooled down it created?
cool colors
layers
oceans
leggins
25
What is the correct order from outermost to innermost?
Crust, Mantle, Outer Core, Inner Core
Inner Core, Mantle, Outer Core, Crust
Crust, Mantle, Inner Core, Outer Core
Inner Core, Outer Core, Mantle, Crust
26
What forms at transform boundaries?
Rift Valleys
Mountains
Volcanoes
Earthquakes
27
What forms when an ocean plate and continental plate converge?
Rift Valleys
Subduction creates volcanic mountain ranges.
Seafloor Spreading
Subduction creates volcanic island arcs.
28
Which of the following is
NOT TRUE
about the Crust?
It is the least dense layer of Earth.
It is made of metal.
It is a solid that is broken into pieces called plates.
It is the coolest layer of Earth.
29
What is the athenosphere?
Atheno what?
Contains the crust of the Earth only
It is directly below the lithosphere and is dense rock that moves the crust
A greek goddess
