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Earth Science Review 5.2
Test Description: Convection and the Mantle
Instructions: Answer all questions to get your test result.
1) __________ is the transfer of heat through space
A
subduction
B
convection
C
conduction
D
radiation
2) _________ is the transfer of heat between materials that are touching
A
radiation
B
conduction
C
subduction
D
convection
3) Density is
A
how much volume there is in a given mass
B
how much mass there is in a given volume
C
how much fluid there is at a given mass
D
how much fluid there is at a given volume
4) What causes convection currents in the mantle?
A
heat from the core
B
2 of the choices
C
heat from the lower mantle
D
none of the choices
5) density changes with change in
A
temperature
B
none of the choices
C
gravity
D
pressure
6) During heat transfer
A
heat moves from hot to cold and cold to hot
B
heat moves from cold to hot
C
heat doesn't move
D
heat moves from hot to cold
7) Rock in the mantle flows
A
very quickly
B
slowly
C
very slowly
D
quickly
8) In what layer of the Earth will there be no convection currents?
A
the mantle
B
there are convection currents in all these layers
C
the inner core
D
the outer core
9) As a fluid is heated particles move ________ and density _________
A
slowly; increases
B
slowly; decreases
C
quickly; increases
D
quickly; decreases
10) What 2 things set convection currents in motion
A
heat and gravity
B
gravity and pressure
C
heat and pressure
D
heat, gravity, and pressure
*select an answer for all questions
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