Conduction Convection Radiation

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Quizizz Content
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Science
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7th Grade
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Hard
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15 questions
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1.
FLASHCARD
Front
What is conduction?
Back
Conduction is the transfer of heat through direct contact between materials. It occurs when molecules collide and transfer energy to neighboring molecules.
2.
FLASHCARD
Front
What is convection?
Back
Convection is the transfer of heat through the movement of fluids (liquids or gases). Warmer, less dense fluid rises while cooler, denser fluid sinks, creating a circulation pattern.
3.
FLASHCARD
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, allowing heat to be transferred through empty space.
4.
FLASHCARD
Front
How does an iron smooth out wrinkles in clothes?
Back
An iron smooths out wrinkles by transferring heat to the clothes through conduction.
5.
FLASHCARD
Front
How do heat lamps keep baby chickens warm?
Back
Heat lamps keep baby chickens warm by transferring heat through radiation.
6.
FLASHCARD
Front
Why is the air warmer near the ceiling of a room?
Back
The air is warmer near the ceiling because warm air rises due to convection.
7.
FLASHCARD
Front
What is the main way heat is transferred in a microwave?
Back
The main way heat is transferred in a microwave is through radiation.
8.
FLASHCARD
Front
What causes sunburn?
Back
Sunburn is caused by radiation from the sun.
9.
FLASHCARD
Front
Give an example of conduction in everyday life.
Back
An example of conduction is touching a hot stove and feeling the heat transfer to your hand.
10.
FLASHCARD
Front
Give an example of convection in everyday life.
Back
An example of convection is boiling water, where hot water rises to the top and cooler water sinks.
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