What is conduction?
7.8A Conduction, Convection, and Radiation

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Science
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7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
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 through physical touch.
2.
FLASHCARD QUESTION
Front
Give an example of conduction.
Back
An egg cooking in a frying pan is an example of conduction, as heat is transferred from the pan to the egg.
3.
FLASHCARD QUESTION
Front
What is convection?
Back
Convection is the transfer of heat through the movement of fluids (liquids or gases). It occurs when warmer areas of a liquid or gas rise and cooler areas sink.
4.
FLASHCARD QUESTION
Front
Give an example of convection.
Back
An example of convection is the way hot coffee cools down; the heat moves from the coffee to the air around it.
5.
FLASHCARD QUESTION
Front
What is radiation?
Back
Radiation is the transfer of heat in the form of electromagnetic waves. It does not require a medium to travel through.
6.
FLASHCARD QUESTION
Front
Give an example of radiation.
Back
An example of radiation is the heat from the sun warming your skin.
7.
FLASHCARD QUESTION
Front
In heat transfer, heat always flows from which substance to which substance?
Back
Heat always flows from the hotter substance to the colder substance.
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