SPM Science Blog
Question 3:A student investigated the effect of oxidation of pear slices in different solutions as shown in Diagram 3.(a) Based on the experiment in Diagram 3,(i) state one responding variable [1 mark](ii) state one way to control the variable in 3(a)(i) [1 mark](iii) state the operational definition for oxidation process of pear slice from the … Read more
Question 2:Table 1 shows the experiment results to study the relationship between mass and inertia.(a) Diagram 2 shows the reading of stopwatch for 5 complete oscillations of 50 g plasticine.State the reading of the stopwatch in Diagram 2 [1 mark](b) Predict the time taken for 5 complete oscillations if the mass of plasticine is 25 … Read more
Question 1:Diagram 1.1 shows an experiment for a type of pure metal and alloy.(a) Based on the experiment,(i) state one manipulated variable [1 mark](ii) state one observation after four weeks on test tube P [1 mark](iii) state one inference on the observation in 1(a)(ii). [1 mark](b) Diagram 1.2 shows test tube P after being left … Read more