Sahil

Materials Required: A glass of water Food colour (blue) Fresh stems with leaves Procedure: Make dark-coloured water by mixing blue food colour into the water. Now, put the stems with leaves in water undisturbed for sometime. After sometime you will notice that the coloured lines are moving in the stems of the leaves. This is […]

Materials Required: Candle Match box Cotton cloth One coin One pencil Procedure: Take a coin and tightly cover around it a piece of cloth as shown in the illustration. Now, light the candle and heat the blunt point of a pencil by putting it on the flame of a candle. Then, place the inflamed tip

Materials Required: 2 pieces of an antacid tablets Empty plastic bottle, suchas a 6-inch-tall shampoobottle Water Big bowl Procedure: Break apart an antacid tablet into two pieces and put the pieces in the plastic bottle. Now fill up the bottle about ¼ full with water. Let the bottle rest on its side in a big

Materials Required: Newspaper Scissors 2 drinking glasses and water Dishwashing liquid Spoon Procedure: Cut two paper dolls from a newspaper. The size of the figures should be small enough to fit easily into the glasses. Now, fill up two drinking glasses with tap water. Place several drops of dishwashing liquid into one of the glasses

Materials Required: 2 identical flowerpots or planters House plant soil 20 bean seeds Water and bright window Procedure: Fill the 2 planters with house plant soil and place 10 bean seeds in each. Cover the seeds with some more soil and then water thoroughly. Label the planters ‘A’ and ‘B’ and place both near a

Materials Required: An old nylon stocking Polythene bag Procedure: Hold the toe of the nylon stocking against the wall with one hand, and with the other hand rub over it with the polythene bag. After about five or ten strokes, pull the stocking from the wall and hold it in the air. The stocking quickly

Material Required: Chair Procedure: Ask a friend to relax in a chair. He should fold his arms and stretch his feet as far forward as possible. Tell him to lean far back so that his head may face upward. Now press a fingertip onto his forehead and challenge him to get up from the chair

Materials Required: Funnel Big glass bowl Water Procedure: Set a funnel, small side up, on a counter top; then set a big glass bowl next to it. Notice how high the tip of the funnel extends. Fill up the glass bowl with water to a level just below this point. Hold the funnel between your

Materials Required: Big glass bowl and water Jar with lid Hollow rubber tube Procedure: Take a big glass bowl and fill it up with water to about 5 to 7 cm in height. Then make a jar fill it up with water and tighten its lid quite firmly. Now, hold the jar upside down, immerse

Materials Required: Funnel Jar Water Procedure: Keep the funnel on the mouth of of the jar and pour in water through the funnel; the speedwith which the water enters the jar is very slow. But the moment the funnel is raised a little higher, the water starts rushing in at a great speed. This is

Material Required: Sheet of paper Procedure: Do you know a fast way to stick a piece of paper to your hand without using any glue or tape? Can you believe that air will do the job? Well, it will! Just follow the steps below. Hold your arm straight at your side. Turn your hand so

Materials Required: String Wooden dowel Tape 2 paper lunch bags Candle with stand Match box Procedure: Tie a piece of string to the centre of a wooden dowel and attach the free end of the string to a support, such as the centre of a doorway. Tape equal lengths of string to the bottom of

Materials Required: Pail Water Lightweight plastic box (likethe kind that berries aresold in) with holes in the bottom and on side Procedure: Fill a pail up with water. Make sure the berry box is dry, and then gently set it on top of the water surface. Even though the berry box has large holes in

Material Required: Cellophane packagingmaterial Procedure: Save the plastic wrapper from a packaged food-item. Try to make a rip in the Cellophane by poking your fingers into it, then pulling it apart. You will find that it is very hard to make a tear, but it is easy to keep it going after it has started.

Materials Required: String Water Cream pitcher, with ahandle and spout Drinking glass Procedure: Cut a piece of string about 1foot long and soak it in water for a few minutes. Tie one end of the string to the handle of the cream pitcher; then fill the pitcher with water. Run the piece of string across