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CAIE IGCSE Physics 2.2.3.8 Cooling of an Object in Contact with Questions

Practise explaining evaporative cooling through energetic particle escape, thermal-energy transfer into liquid and reduced kinetic energy with CAIE IGCSE Physics questions and mark schemes.

Syllabus
2026–2028
Course
Physics 0625

Exam points

  • Explain evaporative cooling through energetic particle escape, thermal-energy transfer into the liquid, and reduced average kinetic energy.

CAIE IGCSE Physics 2.2.3.8 Cooling of an Object in Contact with Questions question 1

[Maximum number: 3]

Fig. 3.1 and Fig. 3.2 show how a puddle of water changes on a warm windy day.

Fig. 3.1

Fig. 3.1

Fig. 3.2

Fig. 3.2

Explain, in terms of molecules, how sweating helps to cool your body on a hot day.

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