Convection Currents
Flashcard
•
Science
•
6th - 12th 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 fluid (liquid or gas) caused by differences in temperature and density, where warmer, less dense fluid rises and cooler, denser fluid sinks.
2.
FLASHCARD QUESTION
Front
What happens to warmer air in convection currents?
Back
Warmer air rises because it is less dense than cooler air.
3.
FLASHCARD QUESTION
Front
What happens to cooler air in convection currents?
Back
Cooler air sinks because it is more dense than warmer air.
4.
FLASHCARD QUESTION
Front
What is density?
Back
Density is the mass of a substance divided by its volume, often described as how tightly packed the particles are in a given space.
5.
FLASHCARD QUESTION
Front
Which type of air is more dense: cold air or hot air?
Back
Cold air is more dense than hot air.
6.
FLASHCARD QUESTION
Front
What do convection currents create in the atmosphere?
Back
Convection currents create winds in the atmosphere.
7.
FLASHCARD QUESTION
Front
What do convection currents create in water?
Back
Convection currents create ocean currents in water.
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