The temperature of a substance is a measure of what?
ATotal mass of the gas
BAverage kinetic energy
CNumber of gas molecules
DVolume of the container
Answer & Solution
Correct answer: B. Average kinetic energy
1. The particles of a gas are constantly moving and so carry kinetic energy.
2. Temperature is a measure of the average kinetic energy of those particles.
3. Heating a gas raises the average kinetic energy and the particles move faster.
4. Cooling a gas far enough slows them so much that the gas liquefies.
_Source: Siyavula Physical Sciences Grade 11 (Everything Science, CC BY 4.0), Chapter 7: Ideal gases_
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