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15
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Why is the inner core solid?
Because it is very hot.
Because it is under too much pressure to melt.
Because it consists mostly of silicon.
Because of plasticity.
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15
×
Which of the following events is LEAST likely to trigger a tsunami?
A volcanic eruption on the Big Island of Hawaii
An underwater landslide
Rock weathering in the Northwest Hawaiian Islands
An underwater earthquake that causes a plate to move upwards
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15
×
The interior of the Earth is part of which sphere?
The hydrosphere
The atmosphere
The biosphere
The geosphere
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15
×
If scientists can ONLY detect P waves in a certain layer of the Earth's interior, what does that tell us?
We know that the layer is the mantle.
We know that the layer could be either liquid or solid.
We know that the layer is solid.
We know that the layer is liquid.
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15
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Which of these is NOT one of the four spheres of Earth that are said to drive all its processes and support life on the planet?
Geosphere
Hydrosphere
Lithosphere
Atmosphere
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15
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What is the name of the Earth's outermost, 60-mile-thick, layer?
Lithosphere
Asthenosphere
Biosphere
Hydrosphere
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15
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We look up in the sky and see a cloud. Which sphere is this cloud in?
Both the hydrosphere and atmosphere
The hydrosphere only
The atmosphere only
The geosphere only
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15
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Which statement about the four spheres of Earth is true?
They often occur in the same place and interact.
They occur in the same place, but do not interact.
Scientists think there are more than four spheres of Earth.
They describe distinct layers of Earth's interior.
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15
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Which is NOT one of Earth's four spheres?
The hydrosphere
The geosphere
The biosphere
The troposphere
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seesaw
Swap points!
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star
Double points!
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shark
Other team loses 20 points!
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banana
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15
×
What happens to P waves when they reach the outer core?
They speed up because it is solid.
They slow down because it is solid.
They speed up because it is liquid.
They slow down because it is liquid.
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banana
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rocket
Go to first place!
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fairy
Take points!
5
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25
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thief
Give points!
5
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15
20
25
15
×
Which of the following is true about the Hawaiian islands?
There is no order to their age.
The islands get older as you travel northwest.
none
The islands are all the same age.
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15
×
How are mantle plumes and hot spots related?
Hot spot is another word for mantle plume.
Mantle plumes rise & break through the crust, make hot spots
None are correct
Hot spots erupt and form mantle plumes.
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seesaw
Swap points!
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shark
Other team loses 20 points!
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rocket
Go to first place!
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banana
Go to last place!
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15
×
Which of the following is NOT a reason that sphere interactions are important?
They recycle material on Earth.
They change matter through different phases.
They help to keep matter in one place.
They form the overall system of Earth.
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