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IBT Sample Questions Science 1 In which part of this sunflower plant does most photosynthesis occur? A B C D roots stem leaves flowers Ahmed places a measuring cylinder on the scales and then resets the scales to zero. He adds 100 mL of water to the measuring cylinder. He then adds 25 g of salt to the water. The reading on the scales is 125 g mL 100 Measuring cylinder 90 80 70 60 50 Electronic scales 40 30 20 10 2 If all the water in the cylinder evaporated, what would be the reading on the scales? A B C D 0g 25 g 95 g 100 g 2 Copyright © 2012 Australian Council for Educational Research 2 1 Science_Sample_Year 8 IBT Sample Questions Science The circuit diagrams show a battery and a bulb connected by wires to various materials. Circuit 1 Circuit 2 Circuit 3 Circuit 4 rubber 3 In which circuit(s) will the bulbs light? A B C D Circuit 1 only Circuits 1 and 2 only Circuits 1and 3 only Circuits 1 and 4 only 2 Science_Sample_Year 8 Copyright © 2012 Australian Council for Educational Research