What is thermal energy?
24 Thermal Energy Unit Test Review

Flashcard
•
Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Thermal energy is the total kinetic energy of the particles in a substance, which is related to its temperature.
2.
FLASHCARD QUESTION
Front
What happens to particles in a solid?
Back
The particles in a solid are closely packed together and vibrate in place, but do not move freely.
3.
FLASHCARD QUESTION
Front
What is the process of heat transfer through direct contact called?
Back
Conduction.
4.
FLASHCARD QUESTION
Front
What is convection?
Back
Convection is the transfer of thermal energy through the movement of fluids (liquids and gases) due to differences in temperature.
5.
FLASHCARD QUESTION
Front
What is radiation?
Back
Radiation is the transfer of thermal energy through electromagnetic waves, such as sunlight.
6.
FLASHCARD QUESTION
Front
How do particles behave in a liquid?
Back
Particles in a liquid are close together but can move past one another, allowing liquids to flow.
7.
FLASHCARD QUESTION
Front
What happens to particles as they cool down?
Back
As particles cool down, they lose energy and move more slowly.
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