Skip to content

Course home

Sign up

2.3.2 Convection

EasyMedium
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970
Question 28

Air above a room heater is heated and expands.

How does this expansion lead to the formation of a convection current?

A

The density of the heated air decreases.

B

The density of the heated air increases.

C

The mass of the air molecules decreases.

D

The mass of the air molecules increases.

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.

Question bank