Cambridge IGCSE Physics practice

Paper 3 structured question: Consequences of thermal energy transfer

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Paper

Marks

Topic

Consequences of thermal energy transfer

Exam-style question

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Paper 3Theory (Core)3 marks

Understanding heat transfer in home heating systems.

Description

In many homes, heaters warm the air, which then rises and circulates throughout the room.

a
Explain how convection is used to warm a room.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)1 marks

Description

Cooking pots are often made of metal, which conducts heat well. In a room, heaters can warm the air, causing it to circulate.

a
State one method of heat transfer used when cooking food in a pot.
Your answer
Aim for approximately 1 distinct marking point.
[1]