CAIE IGCSE Physics 2.2.2.1 A rise in the temperature of an object
Practise recognising that temperature changes mean internal energy changes, including work done on water and cooling of a cylinder.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- link work done by stirring to an increase in the internal energy of water
- calculate internal energy change from thermal capacity and temperature change
2.2.2.1—A rise in the temperature of an object question 1
[Maximum number: 1]
In a famous experiment, a scientist showed that, when water in an insulated tub is stirred, its temperature increases.
What can be concluded from this experiment?
A
Temperature is a store of energy.
B
The water absorbs heat from the surroundings.
C
Work done by stirring increases the internal energy of the water.
D
Energy is not conserved.
C
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