A chef is cooking with a saucepan on a stove. The handle of the saucepan must stay cool so the chef can safely hold it without burning their hand.
Which row in the table correctly identifies the material the handle should be made from and the explanation?
| Material of handle | Explanation | |
|---|---|---|
| A | copper | it is a good conductor of heat |
| B | plastic | it is a good conductor of heat |
| C | copper | it is a poor conductor of heat |
| D | plastic | it is a poor conductor of heat |
Row A
Row B
Row C
Row D
301 exam-style questions on CIE IGCSE Physics 2.3 Transfer of thermal energy, covering 2.3.1a Thermal conductors and thermal insulators, 2.3.1b Explaining thermal conduction, 2.3.2 Convection, 2.3.3a Thermal radiation, 2.3.3b Surface colour and texture, 2.3.3c Rate of emission and absorption of radiation, and 2.3.4 Consequences of thermal energy transfer. Each one has a worked solution and a mark scheme showing where the marks go.