SPM Science Blog
Question 4:Diagram 4.1 and Diagram 4.2 show the set-up of an experiment to study the malleability of different materials by hitting it with a hammer.Diagram 4.1 Diagram 4.2(a) Based on Diagram 4.1,(i) State one observation for this experiment.(ii) State one inference for your answer in 4(a)(i). [2 marks] (b) State the responding variable in this … Read more
Question 3:A student carried out a study to determine the effect of phosphorus on the growth of orchid plants. The student used aerophonic method, by spraying different fertilisers’ solution on orchid plant P and Q twice a week.Diagram 3 shows the result after two months. Diagram 3 (a) Based on your observation, state one difference … Read more
Question 2:Diagram 2 shows an experiment to study the effect of light on the growth of bacteria.Diagram 2 The condition of the nutrient broth in test tube P and Q is observed after three days.The result of this experiment is recorded in Table 2. Table 2 (a) State one observation on the nutrient broth which … Read more
Question 1:Diagram 1 shows an experiment to study the transmission of pressure in liquid by hydraulic system. A weight is added on the big piston’s syringe. The suitable weights are added on the small piston’s syringe until both pistons are at the same level. The weight added represents the force acting on both pistons. Diagram … Read more
Question 7:Diagram 7.1 shows various use of synthetic rubber. Diagram 7.1 (a) Based on Diagram 7.1, state the major use of synthetic rubber. [1 mark] (b) State two characteristics of synthetic rubber which is used to make shoe soles. [2 marks] (c) Diagram 7.2 shows the formation of vulcanised rubber. Diagram 7.2 (i) What is … Read more
Question 3:Figure 2 shows different types of satellite orbits labelled A, B, C and D. (a) Label the types of orbits in Figure 2 with the following abbreviations. GEO HEO LEO MEO (b) Based on Figure 2, name the type of orbit for GPS satellites. Answer:(a) A: HEOB: MEOC: LEOD: GEO (b) MEO Question … Read more
Question 1:Figure 1 shows an example of the orbit for satellite X which has an orbital period of 12 hours.(a) Based on Figure 1, name the type of satellite X. (b) Give one example of application of satellite X. Answer:(a) GPS satellite (b) For navigational purposes Question 2:(a) State three features of a GPS satellite. … Read more
Question 1:What is the meaning of Global Positioning System (GPS)? Answer:Global Positioning System (GPS) is a navigation system which gives information on location and time to its users in all weather conditions. Question 2:How does GPS function? Answer:In GPS,• Control segment sends signals using Earth’s antenna found in the control station to GPS satellites in … Read more
Question 1:State five types of satellite orbits. Answer:• Low Earth Orbit (LEO)• Medium Earth Orbit (MEO)• High Earth Orbit (HEO)• Geostationary Orbit (GEO)• Geosynchronous Orbit (GSO) Question 2:(a) Draw a diagram to show the apogee and perigee of a satellite in an elliptical orbit.(b) Explain the apogee and perigee of a satellite in an elliptical … Read more
Question 1:Figure 1 shows two vehicles moving with the same velocity and producing two different pressures, P0 and P1. (a) Which pressure is lower?(b) Explain your answer in question 1(a).(c) Why is the situation of the two vehicles shown in Figure 1 dangerous? Answer:(a) P1(b) When air flows through the narrow space between the two … Read more