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Layers of Earth/Plate Tectonics
Layers of Earth/Plate Tectonics
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Terms and concepts about the layers of the Earth and plate tectonics.
Flashcards
25 cards
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Questions
25
Answers
1
Which layer of Earth do convection currents occur?
crust
outer core
mantle
inner core
2
Which of the following is NOT a piece of evidence that supports continental drift?
evidence of climate changes
kangaroos only living in Australia
fossils
geology (rocks)
3
This type of boundary occurs where two tectonic plates push together.
transform
divergent
convergent
4
The motion of hot, molten rock that continually rises, cools, and sinks.
heating-cooling currents
magma currents
conversion currents
convection currents
5
Large and small slabs of rock that make up Earth's crust.
Pangaea
tectonic plates
asthenosphere
fault
6
How do density, temperature, and pressure change as you go from the crust to the core?
It stays the same.
It increases.
It increases, then decreases.
It decreases.
7
A fault, like the San Andres Fault, forms at what boundary?
transform
divergent
convergent
8
A layer of hotter, softer rock that is part of the upper mantle.
asthenosphere
lithosphere
crust
volcano
9
Volcanoes that form in the middle of a tectonic plate form over what?
mid-ocean ridges
deep ocean trenches
hot spots
rift valleys
10
New crust forms at ___________.
a transform boundary
a convergent boundary
a deep ocean trench
the mid-ocean ridge
11
This type of boundary occurs where two plates scrape past each other.
transform
convergent
divergent
12
Earth's crust and the very top of the mantle together form the
lithosphere
middle mantle
asthenosphere
outer core
13
A deep ocean trench forms at what boundary?
transform
convergent
divergent
14
List the layers of Earth from the center to the surface.
inner core, outer core, crust, mantle
inner core, outer core, mantle, crust
crust, mantle, outer core, inner core
outer core, inner core, mantle crust
15
This type of boundary occurs where two tectonic plates move apart.
transform
divergent
convergent
16
Underwater mountain ranges where tectonic plates are spreading apart.
deep ocean trench
hot spot volcanoes
mid-ocean ridges
rift valley
17
Which layer of Earth is made up of tectonic plates?
inner core
crust
outer core
mantle
18
An island arc, like Japan or the Philippines, forms at what boundary?
divergent
transform
convergent
19
When one plate sinks or is pulled under another.
fault
subduction
rift valley
convection currents
20
A mid-ocean ridge forms at what boundary?
transform
divergent
convergent
21
This says that the Earth's lithosphere is made up of huge plates that move over Earth's surface
The Theory of Plate Tectonics
The Theory of Continental Drift
The Theory of Pangaea
The Theory of Convection
22
Scientists look at where earthquakes and volcanoes occur to see the outline of what features?
tectonic plate boundaries
islands
mountains
hot spots
23
A rift valley, like the Great Rift Valley in Africa, forms at what boundary?
divergent
transform
convergent
24
A once huge super continent that reached from the North Pole to the South Pole.
Pangaea
Super America
Eurasia
Australia
25
A very high mountain, like the Himalayas, forms at what boundary?
divergent
transform
convergent
