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1.What should he do to get a shadow which is smaller than his size?

A     He should walk towards the wall.

B     He should walk towards the torch.

C     He should put the torch nearer to him.

D     He should replace the torch with a smaller torch.

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2. Which of the following shadow is formed on the white paper?

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3. Adam studies the relationship of distance between the source of light and the object and the size of the shadow produced. He prepares the apparatus as shown below.

a. Predict the size of shadows formed on screen 1 and 3.

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b. Describe the changes of the shadow when the distance between the source of light and the object decreases.

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c. Based on the investigation, state the following.

    What to change? What to measure? 

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