Uses of aluminium
2 marks · EasyExplain why aluminium is often used for cooking pans. Refer to two properties of aluminium in your answer.
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Aluminium is used for pans because it conducts heat well and resists corrosion.
Must show: Good conductor of heat, Resistant to corrosion
Also accept: Low density; Lightweight
Common mistakes: States only one property
Show mark scheme and worked solution
Marking points
B1 · 1 mark · Identifies or explains one appropriate property (e.g. high thermal conductivity/ good at conducting heat/ resists corrosion/ low density).
B2 · 1 mark · Identifies or explains a second property.
Worked solution
Aluminium is a good conductor of heat, so it cooks food evenly. It is also resistant to corrosion, so it does not rust when washed.