What is convection?
Ocean Currents

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Convection is the transfer of heat through the movement of fluids (liquids or gases) caused by differences in temperature and density.
2.
FLASHCARD QUESTION
Front
What causes surface currents in the ocean?
Back
Surface currents are mainly caused by wind.
3.
FLASHCARD QUESTION
Front
What are deep currents?
Back
Deep currents are regular movements of water far below the ocean's surface.
4.
FLASHCARD QUESTION
Front
What causes deep ocean currents?
Back
Deep ocean currents are caused by density differences in water due to variations in temperature and salinity.
5.
FLASHCARD QUESTION
Front
What is the Coriolis Effect?
Back
The Coriolis Effect is the deflection of moving objects (like winds and currents) caused by the rotation of the Earth.
6.
FLASHCARD QUESTION
Front
How do warm and cold water affect ocean currents?
Back
Warm water tends to rise while cold water sinks, creating movement in ocean currents.
7.
FLASHCARD QUESTION
Front
What is the role of gravity in ocean currents?
Back
Gravity helps drive deep ocean currents by pulling denser water down and creating pressure differences.
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