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ws 11) ree e ali, , 1. Fillin the table based on your observation in the classroom., , , , , , Situation 1 — Write different objects that you can see in the classroom., , , , Observation, The answer depends on the students and also on whatever is available in the, classroom, but some examples may include:, Benches, Blackboard, Windows, , Situation 2 — Place three cardboards one after the other in a straight line. Stand behind the, third cardboard. Now ask one student to hold the torch in their hand and point it at the centre, of the hole in the first cardboard. Tum on the torch. Write down what you see., , Observation, , , , , , Ican see a beam of light passing through the holes., , , , , , Situation 3 — Move the second cardboard towards your right and shine the torch agé, centre of the hole in the first cardboard, Write down what you see., , , , Observation, , | cannot see a beam of light passing through the holes., , , , Conclusion, , The conclusion is that light travels in a straight line as seen in situation 3, where, the second cardboard was moved and the beam of light could not be seen., , , , , , , , ‘ i"