April 2022

Making Simple Electroscope (Physics Experiments)

An electroscope is used to detect the presence of electric charges, to determine whether these charges are positive or negative, and to measure and indicate their intensity. By the help of this electroscope we will see the movement of electrons.Things Required:Aluminium foil, as thin as possibleGlass jar, 1 qt. (1 litre)Soft plastic lid to cover

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Bending Water (Physics Experiments)

“Never use an electric appliance while you are in the bathtub!”Although it is not a great conductor of electricity, water can easily conduct the current that flows from the power outlet of your home. The results are often deadly.What about static electricity? Can water interact with non-moving charges?Things Required:Plastic combPencilPlastic penA piece of woolSinkDirections:Turn on

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Crackles and Pops (Physics Experiments)

Here is a net experiment that you can perform using your television-set.Things Required:Television-set or computer monitorA sheet of paper Directions:Switch on the television-set. Roll up your shirt sleeve. Place your forearm against the television screen. Do you hear anything? Do you feel anything? Slowly, move your arm across the screen. What happens now?Tear up a

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Making Kaleidoscope (Physics Experiments)

A kaleidoscope is a toy that uses reflected images to produce great patterns. Would you like to see how one works? Just follow these instructions.Things Required:Three small plastic mirrors (with frames removed)TapeWax paperPair of scissorsRubber bandSeveral small and transparent coloured beadsDirections:Arrange the mirrors to form a triangular viewing tube. The reflecting sides of the mirrors

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Potato Positive Terminal Taster (Physics Experiments)

The aim of this easy experiment is to determine which battery terminal is positive.Things Required:Aluminium foilD-cell batteryPotato2 paper clips2 penniesSteel woolMasking tapeScissors1 push tack Directions:Cut a piece of aluminium foil 24 inches × 12 inches (60 cm × 30 cm). Fold the aluminium piece in half lengthwise five times to form a thin strip 24

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Making a Galvanometer (Physics Experiments)

The galvanometer is an instrument for measuring small electric currents by the deflection of a moving coil. In this experiment, we will make a galvanometer and determine if an electric current affects a magnet.Things Required:Aluminium foil, 1 yd. (1 m)CompassCardboard box to fit the compassScissorsD-cell batteryDirections:Cut a piece of aluminium about 36 inches × 24

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