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