What do you call the entire cycle of heating occurring in the mantle?
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heart
Other team wins 5 points!
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magnet
Take 25 points!
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fairy
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5
10
15
20
25
lifesaver
Give 10 points!
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seesaw
Swap points!
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shark
Other team loses 25 points!
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rocket
Go to first place!
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lifesaver
Give 20 points!
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5
Which observation was NOT instrumental in formulating the hypothesis of seafloor spreading?
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5
What do you call the region along the plate boundary where one plate is forced under another?
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banana
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shark
Other team loses 25 points!
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rocket
Go to first place!
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baam
Lose 15 points!
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5
If all the inner layers of the Earth are firm solid, what could have happened to Pangaea?
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5
In the middle of an island, there is a rift valley. What type of plate boundary exists on that island?
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5
Which of the following best describes a tectonic plate?
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5
The movement of the lithospheric plates is facilitated by a soft, weak and plastic-like layer. Which of the following layers is described in the statement?
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5
If the Atlantic Ocean is widening at a rate of 3 cm per year, how far (in kilometers) will it spread in a million years?
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5
Do two colliding continental plates always form volcanoes?
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5
Which zone of the earth is made up of liquid iron?
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5
If you used the theory of plate tectonics to predict the most likely place for the next earthquakes or volcanic eruptions which would it most likely to occur?
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5
According to Wegener, what evidence did glaciers leave for the existence of Pangea?
