What is convection?
Convection, conduction, radiation

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Science
•
6th 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). Warm fluid rises while cooler fluid sinks, creating a circulation pattern.
2.
FLASHCARD QUESTION
Front
What is conduction?
Back
Conduction is the transfer of heat through direct contact between materials. It occurs when heat moves from a hotter object to a cooler one.
3.
FLASHCARD QUESTION
Front
What is radiation?
Back
Radiation is the transfer of energy through electromagnetic waves. It does not require a medium and can occur in a vacuum.
4.
FLASHCARD QUESTION
Front
Give an example of convection in everyday life.
Back
An example of convection is the sea breeze, where warm air rises over the land and cooler air from the sea moves in.
5.
FLASHCARD QUESTION
Front
How does a hot air balloon rise?
Back
A hot air balloon rises because the air inside the balloon is heated, making it less dense than the cooler air outside, causing it to float.
6.
FLASHCARD QUESTION
Front
What happens when you hold an ice cube in your hand?
Back
Your warm hand transfers energy to the ice cube, causing it to melt.
7.
FLASHCARD QUESTION
Front
What is the main difference between conduction and convection?
Back
Conduction occurs through direct contact, while convection involves the movement of fluids.
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