4.9.4 Properties and Uses of Metals and Non-metals (Structured Questions)

Question 1:Diagram 1.1 and Diagram 1.2 show an experiment to study the heat conductivity between metal and non-metal.Table shows the time taken for the thumb-tack to fall after both rods are heated.(a) State one hypothesis for this experiment. [1 mark](b) State the variables in this experiment.   (i) Constant variable [1 mark]   (ii) Manipulated variable … Read more