Skip to content

Course home

Sign up

2.3.1a Thermal conductors and thermal insulators

EasyMedium
1234
Question 3

During a summer gathering, a copper mug containing a beverage is wrapped in a wet paper towel to cool it down. Evaporation cools the water in the paper towel.

a.

Explain, in terms of molecules, how evaporation cools the water in the paper towel.

[3]
b.

As the water in the paper towel cools, so does the copper mug. Explain how free electrons transfer thermal energy through the metal of the mug.

[4]
Markscheme

2.3.1a Thermal conductors and thermal insulators Questions

  1. IGCSE
  2. /Physics
  3. /2.3.1a Thermal conductors and thermal insulators

67 exam-style questions on CIE IGCSE Physics 2.3.1a Thermal conductors and thermal insulators. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank