Convection Currents
Flashcard
•
Science
•
6th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are convection currents?
Back
Convection currents are the movement of fluids (liquids or gases) caused by differences in temperature and density.
2.
FLASHCARD QUESTION
Front
In which states of matter do convection currents occur?
Back
Convection currents occur in fluids, which include liquids and gases.
3.
FLASHCARD QUESTION
Front
What happens to warm water in the ocean?
Back
Warm water in the ocean moves towards the poles.
4.
FLASHCARD QUESTION
Front
Why does cold water sink in a convection current?
Back
Cold water sinks because it is more dense than warm water.
5.
FLASHCARD QUESTION
Front
How does heat transfer in convection currents?
Back
Heat transfers from an area of high temperature to an area of low temperature.
6.
FLASHCARD QUESTION
Front
What is an example of a convection current?
Back
An example of a convection current is the movement of gas in a hot air balloon.
7.
FLASHCARD QUESTION
Front
What role does density play in convection currents?
Back
Density differences in fluids cause warmer, less dense fluid to rise and cooler, more dense fluid to sink.
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