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5.5 The carts are not powered by motors. Name the force that causes the cars to move from point B to C. (1)

4.2 State any TWO ways to avoid contracting malaria. (2)

6.3 The ball bounces to a height of 3,0 m when it leaves the hard surface. Calculate its gravitational potential energy at a height of 3,0 m. (3)

QUESTION 4   Read the article on malaria and answer the questions that follow.         Right click on the button to open the article in a new window.    

  SECTION A                                                                                                                        (10)   QUESTION 1 (5)   Multiple choice questions: Read the questions carefully, each question has three possible answers. Type the correct letter (A; B; C) of the answer of your choice.

1.4 Protists and viruses are types of … (1)

1.2 Examine the following picture, provide the name of the artist and describe his style of work briefly. (2)   Right click and open the following image in a new tab.         

4.8 Looking at the information in the text, do you think it is important that an effective malaria vaccine is developed as soon as possible? Give a reason for your answer. (2)

4.6 How would the government know how many people are infected with malaria? (1)

5.7 Which of the four metal rods that Ty tested (aluminium, copper, iron and stainless steel) would the candle stay on the longest? Explain your answer. (2)