Thermal Energy
Flashcard
•
Science
•
8th Grade
•
Easy
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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
Which has more thermal energy: a hot cup of tea or a huge lake?
Back
A huge lake has more thermal energy because it contains a larger amount of water, even if its temperature is lower.
3.
FLASHCARD QUESTION
Front
What happens to molecules in a hot substance?
Back
The molecules are moving very fast.
4.
FLASHCARD QUESTION
Front
What is temperature?
Back
Temperature is the measure of the average speed of the molecules that make up a substance.
5.
FLASHCARD QUESTION
Front
What does it mean for samples to be at equilibrium?
Back
It means that the samples have the same temperature and thermal energy.
6.
FLASHCARD QUESTION
Front
Which temperature is the coldest: 10℃, 25℃, 70℃, or 75℃?
Back
10℃ is the coldest.
7.
FLASHCARD QUESTION
Front
How does thermal energy transfer occur?
Back
Thermal energy transfer occurs through conduction, convection, and radiation.
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