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2.3.1a Thermal conductors and thermal insulators

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Question 9

One end of an aluminum rod is heated.

What is a main method by which thermal energy is transferred through the aluminum rod?

A

Free electrons transfer thermal energy by moving from the cooler end to the hotter end.

B

Free electrons transfer thermal energy by moving from the hotter end to the cooler end.

C

Aluminum ions move from the cooler end to the hotter end.

D

Aluminum ions move from the hotter end to the cooler end.

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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.

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