Summative Practice (Question 1 & 2) – Form 4 Science (KSSM) Chapter 12

Question 1:Photograph 1 shows a nuclear power station in a certain country. (a) Name two countries that are major users of nuclear energy.(b) Based on your answer in question 1(a), what is the use of nuclear energy in those countries?(c) State two advantages of nuclear energy sources. Answer:(a) France, Slovakia (b) • France uses nuclear … Read more

Formative Practice 12.4 – Form 4 Science (KSSM) Chapter 12

Question 1:State two main energy sources which are currently used in Malaysia. Answer:Natural gas, hydro Question 2:State three factors that must be considered in operating nuclear power stations. Answer:• Fossil fuels will deplete • Nuclear energy releases very little greenhouse gases  • The rate of production of energy by nuclear energy sources is greater compared … Read more

Formative Practice 12.1 – Form 4 Science (KSSM) Chapter 12

Question 1:State three major countries in the world that use nuclear energy sources. Answer:United States of America, Russia, France, Japan(any three) Question 2:What are the benefits of using nuclear energy sources compared to other energy sources? Answer:• Produce a lot of energy compared to fossil fuels • Release very little greenhouse gases compared to other … Read more

6.4.3 The Need for Proper Handling of Radioactive Substances (Structured Questions)

Question 1:(a) Diagram 1.1 and 1.2 shows activities which involved the radioactive substances.(i) State the radioactive radiation used in medical field in Diagram 1.1. [1 mark](ii) State the uses of Carbon-14 in Diagram 1.2. [1 mark](iii) State one effect of nuclear explosion to human being. [1 mark](iv) What substance is used to make a container … Read more