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2.3.1a Thermal conductors and thermal insulators

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Question 3

Copper is a better conductor of thermal energy than glass.

Which statement explains this?

A

Electrons in copper can move from one part of the copper to another. Electrons in glass cannot move in this way.

B

Electrons in copper vibrate with more energy than those in glass.

C

Positive particles in copper can move from one part of the copper to another. Positive particles in glass cannot move in this way.

D

Positive particles in copper vibrate with more energy than those in glass.

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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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