Convection Currents in the Mantle

Flashcard
•
Science
•
6th Grade
•
Hard
+4
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What are convection currents?
Back
Convection currents are the movement of fluid caused by differences in temperature and density, where warmer, less dense material rises and cooler, denser material sinks.
Tags
NGSS.MS-ESS2-6
2.
FLASHCARD QUESTION
Front
Where do convection currents happen in the Earth?
Back
Convection currents happen in the Mantle.
3.
FLASHCARD QUESTION
Front
What happens to molten material when it is heated in the mantle?
Back
The molten material expands (spreads out).
Tags
NGSS.MS-PS1-4
4.
FLASHCARD QUESTION
Front
What is the effect of heating on the density of molten material in the mantle?
Back
When heated, molten material becomes less dense.
Tags
NGSS.MS-PS1-4
5.
FLASHCARD QUESTION
Front
What causes Earth's tectonic plates to move?
Back
Convection currents in the mantle cause Earth's tectonic plates to move.
Tags
NGSS.MS-ESS2-3
6.
FLASHCARD QUESTION
Front
What happens to molecules that are less dense than the surrounding particles?
Back
Molecules that are less dense will rise up.
Tags
NGSS.MS-ESS2-5
7.
FLASHCARD QUESTION
Front
What is the role of temperature in convection currents?
Back
Temperature differences create density differences, which drive the movement of convection currents.
Tags
NGSS.MS-ESS2-6
NGSS.MS-PS1-4
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