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WorksheetsConvection & the Mantle
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
What is the heat source for convection in the mantle?
a)
the Crust
b)
the Mantle
c)
the Core
2.
What is the cooling source for convection in the mantle?
a)
the Crust
b)
the Mantle
c)
the Core
3.
Where do convection currents happen in the model we are studying?
a)
the Crust
b)
the Mantle
c)
the Core
4.
When molten material is heated in the mantle it becomes
a)
more dense
b)
less dense
5.
When molten material is cooled in the mantle it becomes
a)
more dense
b)
less dense
6.
When molten material is heated in the mantle the molecules
a)
expand (spread out)
b)
condense (shrink together)
c)
stay the same
7.
When molten material is cooled in the mantle the molecules
a)
expand (spread out)
b)
condense (shrink together)
c)
stay the same
8.
Molecules that are more dense than the surrounding particles will...
a)
rise up
b)
sink down
c)
stay put
9.
Molecules that are less dense than the surrounding particles will...
a)
rise up
b)
sink down
c)
stay put
10.
Molecules that are the same density than the surrounding particles will...
a)
rise up
b)
sink down
c)
stay put
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