Thermal Energy

Flashcard
•
Science
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is thermal energy?
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 are the three methods of heat transfer?
Back
The three methods of heat transfer are conduction, convection, and radiation.
3.
FLASHCARD QUESTION
Front
Define conduction in the context of heat transfer.
Back
Conduction is the process of heat transfer through direct contact between materials, where heat moves from the hotter object to the cooler one.
4.
FLASHCARD QUESTION
Front
What is convection?
Back
Convection is the transfer of heat through the movement of fluids (liquids or gases), where warmer, less dense areas rise and cooler, denser areas sink.
5.
FLASHCARD QUESTION
Front
Explain radiation as a method of heat transfer.
Back
Radiation is the transfer of heat in the form of electromagnetic waves, which can occur in a vacuum and does not require a medium.
6.
FLASHCARD QUESTION
Front
What is an insulator?
Back
An insulator is a material that is a poor conductor of heat, meaning it does not allow heat to pass through easily.
7.
FLASHCARD QUESTION
Front
How does a metal spoon warm up in a hot bowl of soup?
Back
The handle of the metal spoon warms up due to conduction, as heat is transferred from the hot soup to the spoon through direct contact.
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