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2.3.2 Convection

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Question 54

Why does convection take place in a gas when it is heated?

A

Gases expand when they are heated, reducing their density.

B

Gas molecules expand when they are heated.

C

Gases transition to a liquid state when heated.

D

Molecules near the top of the container escape to create a vacuum.

Markscheme

2.3.2 Convection Questions

  1. IGCSE
  2. /Physics
  3. /2.3.2 Convection

73 exam-style questions on CIE IGCSE Physics 2.3.2 Convection. Each one has a worked solution and a mark scheme showing where the marks go.

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