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How do Satellites Stay Up?
Satellites orbit the earth because of the force of gravity. To understand why this happens and why the satellite does not get pulled in and fall, we have to understand what forces do. A force will change the motion of an object; it might speed it up, slow it down or change its direction. For example, if you are running and someone pushes you from behind, you speed up (the force is in the direction of your motion)....
Killing a Tree Softly
How does a tree die? When it is cut down with an axe. But, sometimes, we may end up hurting or killing a tree without meaning to. It may happen when we carve our names or draw a heart on a tree trunk by cutting away the bark of the tree with a knife. For, along with the bark we also cut away an important tissue called phloem. This tissue carries the food made by the leaves to the other parts of the tree....
Plasticine Candle Stand
Plasticine Candle Stand [Illustrations by Anup Singh] Before you begin making the candle stand, spread some sheets of newspaper so that you do not dirty the floor. The things you need: Plasticine Old newspaper Steel bowl Step 1: Flatten plasticine to make a circle. Cut a perfect circle using the rim of the steel bowl. Step 2: Roll some plasticine in a cylindrical shape....
The Circle of Life
February 5: Young Vittal Partani is one of many volunteers who has been engaged in a singleminded task these last few days in the town of Bhachau that was devastated by the January 26 earthquake, in Gujarat. But there is something special about the 20 year-old and the youngsters accompanying him on the rescue mission. All of them are orphans of the Latur earthquake disaster of 1993. Only this time around, their roles have reversed – from victims to rescuers....
Teachers' Day
Teachers’ Day [Illustration by Shiju George] September 5: An average teacher teaches, a good teacher explains, a superior teacher illustrates, and a great teacher? A great teacher both learns and inspires students to ask questions fearlessly, for asking the right question is like taking the right turn amidst a maze of lanes and bylanes. But these are different times. While school students say that teachers are no longer interested in teaching, teachers turn around and say that it is not their fault – nobody is interested in learning and that society treats them like dirt....
Make a Sachet
Make a Sachet [Illustrations by Shinod AP] Are there are any old T-shirts lying at home and in danger of becoming dusters? Rescue one of them and your creative work begins! The things you need: An old T-shirt A silken cord (18 inches long) Scissors Pencil Step 1: Cut out a piece of seven inches square from an old T-shirt. Place the cloth on a table and make a circle, three inches in radius....
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