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Materials Required
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* A shoe box with lid,
* Glittering small objects,
* Scissors,
* Bright colored cellophane tape.
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Method
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- Take the shoe box and make a small hole in its front portion and line the hole with a bright cellophane tape.
- Make a square hole that can open and close easily on the top lid of the box and line it also with cellophane tape.
- Put glittering small objects (cuttings from greeting cards) inside the box.
- Now try seeing the glittering objects inside by the small hole in front, and the square hole on the box’s lid shut.
- Again try to see the objects with the square hole opened and by shining a flashlight through the hole in the lid.
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What is Learnt
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This activity proves that light is required to see things. This is the reason we can see things easily in the daytime and require light to see it at night.
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Conclusion
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You will see nothing from the hole when the square hole is closed, but will see glittering objects once the square hole is opened and a the flashlight is shined in the square hole. Light is required to see things.
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Flash Cards