What is convection?
How Energy from the Sun Influences Earth

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Science
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6th - 8th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Convection is the process of heat transfer through the movement of fluids (liquids or gases). Warm air or liquid rises, while cooler air or liquid sinks, creating a circular motion.
2.
FLASHCARD QUESTION
Front
How does a hot air balloon rise?
Back
A hot air balloon rises because convection causes the warmer air inside the balloon to rise in the cooler atmosphere.
3.
FLASHCARD QUESTION
Front
What are convection currents?
Back
Convection currents are the circular motions of warm air rising and cool air sinking, which occur in fluids due to differences in temperature and density.
4.
FLASHCARD QUESTION
Front
What is radiation?
Back
Radiation is the transfer of energy through electromagnetic waves, such as sunlight traveling through space to reach Earth.
5.
FLASHCARD QUESTION
Front
What is conduction?
Back
Conduction is the transfer of thermal energy through direct contact between materials, where heat moves from the hotter object to the cooler one.
6.
FLASHCARD QUESTION
Front
What happens to air temperature during the day?
Back
As the day progresses, energy from the sun warms the atmosphere, causing the temperature to rise.
7.
FLASHCARD QUESTION
Front
What is the role of the sun in weather patterns?
Back
The sun's energy drives weather patterns by heating the Earth's surface, causing air movement and the formation of wind and clouds.
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