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2.3.1a Thermal conductors and thermal insulators

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Question 4

At room temperature, a block of ice placed on a flat aluminum plate melts much faster than an identical block of ice placed on a plastic plate. Which statement explains this observation?

A

Aluminum is a better absorber of infra-red radiation than plastic.

B

Aluminum is a better thermal conductor than plastic.

C

Aluminum is a worse absorber of infra-red radiation than plastic.

D

Aluminum is a worse thermal conductor than plastic.

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.

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