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2.1.1  What is the energy per 100ml in joules? (2)

1.3.4 When you stir your tea with a metal spoon the handle gets hot because of conduction. (2)

1.3.1 Natural gas is most used source of energy by power stations in South Africa to generate electricity. (2)

1.1.4 Which of the following are energy resources? (2)

2.2 There are two systems involved in the picture where the kettle is plugged into the wall. Identify these two systems. (2)   Right click on the blue button and open the image in a new “tab”    

1.3.2  Petrol and diesel are used mainly as fuel for cars, trucks and motorbikes. (2)

2.1 Study the food label and answer the question that follows. (2)   Right click on the blue button and open the image in a new “tab”    

2.3 Study the following diagram and answer the questions that follow:     Right click on the blue button and open the image in a new “tab”    

1.1.3  Why does the air conditioner unit in a room have to be placed at the top of the room? (2)

1.3.1 Natural gas is most used source of energy by power stations in South Africa to generate electricity. (2)