What is convection?
Unit 2 Energy 2024

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Science
•
8th 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 air rises and cool air sinks, creating a cycle.
2.
FLASHCARD QUESTION
Front
What happens to the temperature of an object when its atoms move faster?
Back
The temperature of the object increases as the atoms move faster.
3.
FLASHCARD QUESTION
Front
How does the density of warm air compare to cold air?
Back
Warm air is less dense than cold air, which causes it to rise.
4.
FLASHCARD QUESTION
Front
What is temperature a measure of?
Back
Temperature is a measure of the average kinetic energy of the individual particles in an object.
5.
FLASHCARD QUESTION
Front
What two factors affect kinetic energy?
Back
Kinetic energy is affected by mass and velocity.
6.
FLASHCARD QUESTION
Front
What is thermal energy?
Back
Thermal energy is the total kinetic energy of all the particles in an object.
7.
FLASHCARD QUESTION
Front
What is conduction?
Back
Conduction is the transfer of heat through direct contact between materials.
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