2.3.1 Conduction (3)

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1.

A metal bar is heated at one end. Describe how the temperature change propagates through the bar in terms of the movement of particles. Explain why metals are good conductors of heat.

2.

Describe, in terms of particles, why thermal conduction is inefficient in gases and most liquids compared to solids.

3.

Question 1

Describe two experiments that could be used to demonstrate the difference in thermal conductivity between a good thermal conductor and a poor thermal conductor (thermal insulator). State what measurements you would need to take and how you would ensure the experiment is fair.