What is thermal energy?
8 A Thermal Energy

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Thermal energy is the total kinetic and potential energy of the particles in a substance, related to its temperature.
2.
FLASHCARD QUESTION
Front
What is convection?
Back
Convection is the transfer of thermal energy through the movement of fluids (liquids and gases) caused by differences in temperature and density.
3.
FLASHCARD QUESTION
Front
In which states of matter does convection occur?
Back
Convection occurs in liquids and gases.
4.
FLASHCARD QUESTION
Front
What happens to the kinetic energy of particles when a substance is heated?
Back
The kinetic energy of particles increases when a substance is heated.
5.
FLASHCARD QUESTION
Front
What is the boiling point of water?
Back
The boiling point of water is 100°C.
6.
FLASHCARD QUESTION
Front
What occurs when water boils?
Back
When water boils, it undergoes a phase change from liquid to gas (steam).
7.
FLASHCARD QUESTION
Front
How do the particle arrangements differ between water and steam at 100°C?
Back
In steam, the particles have more space between them compared to water, but they move at the same speed.
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