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Earth's Interior
Earth's Interior
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Earth's Structure Assessment 1 #science #6th grade #Earth's Interior
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
What are the two main sources of Eath's energy?
heat from the sun and movement of the convection currents
water flow and heat
wind and rain
friction
2
What kind of rock is mostly in the oceanic crust?
gravel and sand
basalt
crystals
granite
3
Earth's continental crust is mostly made of what rock?
granite
flouride
magnesium
sedimentary rock
4
Which layer includes the crust and the uppermost part of the mantle?
the crust
lithosphere
asthenosphere
mesosphere
5
What is molten material?
flowing rock that has been partially melted from major heat
water
dense, solid rock
6
Starting above the outer core, name the three mantle layers.
pictosphere
mesopshere, asthenospere, lithosphere
crust, core, lithosphere
7
The oceanic crust includes the ocean water down to the ocean floor.
False
True
8
A warm fluid is less dense than a cool fluid.
False
True
9
What are the two things geologists use to study Earth's interior?
lava and slate
the sun's rays and rocks
rock and seismic waves
drilling under ground and cameras
10
What is the Earth's inner core made of?
a layer of molten (liquid rock made from heat) metal
Magnets
a dense ball of solid metal
waves
11
Where does the heat that causes convection currents come from?
mantle and core
crust and core
the crust
asthenosphere
12
What happens to the molten material in the mantle when it begins to cool?
the particles move
it stays the same
it rises and gets heavier
it becomes more dense and sinks
13
Where is Earth's magnetic field produced?
magic tricks
friction
by a magnet stuck in the middle of the North and South Poles
by the movement of liquid metals in the Earth's core.
14
What is the convection current process?
hot molten material becomes less dense
the less dense material rises up toward the cold material
then the cold becomes more dense and sinks
All of the above
15
What is Earth's core made of?
steel
copper and basalt
rusted metal
iron and nickel
16
Which layer would have the most pressure?
lithosphere
outer core
mantle
inner core
17
What is the main heat source for convection currents in the outer core?
the inner core
the crust
the lithosphere
the sun
18
The continental crust includes the ground that we walk on.
True
False
19
Why does the heat in the convection current rise?
particles spread out, become less dense, and rise up
it has no where else to go
it gets more dense and sinks
20
The continental crust is thicker than the oceanic crust.
False
True
