Thermal Energy Unit 2 Test

Flashcard
•
Physics
•
6th Grade
•
Hard
Wayground Content
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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
How does temperature relate to thermal energy?
Back
Temperature is a measure of the average kinetic energy of the particles in a substance; higher temperature means higher thermal energy.
3.
FLASHCARD QUESTION
Front
What happens to the motion of particles when heat is added to a substance?
Back
The particles move faster and spread apart, increasing the thermal energy of the substance.
4.
FLASHCARD QUESTION
Front
What is the process of heat transfer called when it occurs through direct contact?
Back
Conduction.
5.
FLASHCARD QUESTION
Front
What is convection?
Back
Convection is the transfer of thermal energy through the movement of fluids (liquids or gases) caused by differences in temperature.
6.
FLASHCARD QUESTION
Front
What is radiation in terms of thermal energy?
Back
Radiation is the transfer of thermal energy through electromagnetic waves, such as sunlight.
7.
FLASHCARD QUESTION
Front
What happens to water molecules when ice melts?
Back
The water molecules gain thermal energy, move faster, and occupy more space.
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