Structure of the Earth - Mantle
Quiz by Michael Gothelf
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- Q1
The Mantle contains the following layers
upper layer, lower layer
upper mantle, lower mantle
inner mantle, outer mantle
upper, lower
30s - Q2
The mantle lies between the _____ and _______
lithosphere and core
core and lithosphere
crust and core
asthenosphere and core
30s - Q3
The mantle within an inner planet may be made up of _________
heated iron and metal
solid rocks
magma
heated, compact solid rock
30s - Q4
The mantle within an outer planet may be made up of _________
iron, nickel, and magnesium
glass, or compact rocks
Ice, or compact water or gas
30s - Q5
Why is the lower mantle compact (or crushed)
the mantle is under a lot of pressure due to all the mass from the layers above
the pressure from the core below is squeezing the mantle
the air pressure is so great is pushes it down
the mantle is being crushed by the mass of the iron in the core
30s - Q6
Which layer is thickest?
All the core layers
All the mantle layers
All the crust layers
The lithosphere because of the mountains
30s - Q7
The volume of the total mantle covers what percent of the Earth?
15% because it is left over from the core
1% because it is really thin
84% because it is big
50% because the mantle is half of all of the Earth
30s - Q8
The volume of the total core takes up ____% of the Earth
15%, it is kind of big
50%, because it shares the center with the mantle
84%, it is the largest layer of the Earth
1%, because it is small
30s - Q9
Earth's mantle is rich in the minerals ____________________________________
iron and nickel
iron and metal
iron and magnesium
hydrogen and helium
30s - Q10
How did the mantle get a high concentration of metals?
When the Sun formed it shot out all the metals in a solar flare.
When Earth's crust formed, all the metals melted and floated to the lithosphere
When Earth was a melted sphere, high density elements sunk down into the Earth.
When Earth was hit by a planet, the impact forced all the metals down to the center.
30s - Q11
What is the state of Earth's mantle?
ice
liquid
solid
gas
30s - Q12
Can the lower mantle of Earth move?
yes
no
30s - Q13
The lower mantle, being made of ductile rocks, flows just like the asthenosphere due to convection currents.
falsetrueTrue or False30s - Q14
The upper mantle __________ than the lower mantle
is cooler
is less ductile
has more air
is hotter
30s - Q15
The lower mantle __________ than the upper mantle
has more air
is cooler
is hotter
is more ductile
30s