What is thermal energy?
Part 1: Thermal Energy Test

Flashcard
•
Science
•
8th Grade
•
Hard
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15 questions
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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 is heat transfer?
Back
Heat transfer is the movement of thermal energy from one object or substance to another due to a temperature difference.
3.
FLASHCARD QUESTION
Front
What is conduction?
Back
Conduction is the transfer of heat through direct contact between materials.
4.
FLASHCARD QUESTION
Front
What is convection?
Back
Convection is the transfer of heat through the movement of fluids (liquids or gases) caused by differences in temperature and density.
5.
FLASHCARD QUESTION
Front
What is radiation?
Back
Radiation is the transfer of heat in the form of electromagnetic waves, such as infrared radiation.
6.
FLASHCARD QUESTION
Front
What happens to molecules when they are heated?
Back
When molecules are heated, they move faster and spread apart, increasing the temperature of the substance.
7.
FLASHCARD QUESTION
Front
What happens to molecules when they are cooled?
Back
When molecules are cooled, they move slower and come closer together, decreasing the temperature of the substance.
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