SPM Science Blog
Question 9:Diagram 8.1 shows the socio-scientific issues towards the environment.(a) Based on Diagram 8.1, state one sector in Green Technology that is related. [1 mark](b) Small fires always happen in the waste disposal site due to the methane gas produced from the decomposition process.Explain how this situation can cause the global warming become more serious. … Read more
Question 8:Table 3 shows the statistics of drug addicts from year 2016 to year 2018 in country X.(a) State one example of drug. [1 mark](b) A type of hallucinogen drug is given to patients during surgery. State the function of that drug in the surgery process. [2 mark](c) Based on Table 3, state the trend … Read more
Soalan 7:Diagram 7 shows two hydrocarbon compounds, W and X.(a) State one element in hydrocarbon compound. [1 mark](b) State the name of compound X. [1 mark](c) Compare and contrast compounds W and X in terms of the number of carbon atoms and types of bonds. [2 marks](d) Food waste that undergoes decaying process will release … Read more
Question 6:(a) Diagram 6 shows the use of microorganism P in the process of food production.(i) state one of the groups of microorganism. [1 mark](ii) state how microorganism P reproduces. [1 mark](b) Explain how microorganism P raised the bread dough in Process 2. [2 marks](c) Based on Diagram 6, state two differences between the products … Read more
Question 5:Diagram 5 shows the reading on digital sphygmomanometer for an adult.(a) Based on Diagram 5,(i) state the unit used in the tool [1 mark](ii) state one health problem that might be suffered by the adult [1 mark](iii) suggest two ways to decrease the risk of health problem stated in 5(a)(ii). [2 marks](b) Table 2 … Read more
Question 4:Diagram 4.1 shows two readings of digital stopwatch for the time taken to decolourise 1 cm3 of methylene blue solution for two water samples.(a) Based on Diagram 4.1 state one observation for river water sample. [1 mark](b) State one reason for your answer in 4(a). [1 mark](c) State one way to control the constant … Read more
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