Science magazine for children: Packed with science stories, science facts, science features, and other science learning resources for children. Discover the known, the unknown, and little-known facts in our science articles. Learn the how and why of everyday things and explore rare and exotic living species.
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Is Potato a Fruit or Vegetable?
Pick up a potato and you notice eyes with little lashes on it. In fact, the lashes look like tiny roots. Have you ever wondered why the potato has roots on it? The potato is actually a stem. A stem in disguise, that grows under the ground! Many plants are masters at adapting themselves to their surroundings. They can change their structure to suit their needs. Farmer holding harvested dirty potatoes in his hands....
The Exotic Peacock
Come monsoons, and we immediately think about the beautiful peacock, dancing in the rain, with its luscious tail spread out behind it. Undoubtedly one of the most beautiful birds in the world and a native of the Indian sub-continent, it is not surprising that the Peacock was anointed as the national bird of India in 1963. The Exotic Peacock [Illustrations by Neelima Bhushan] Hailing from the pheasant family, these exotic birds are cherished for their colourful plumes and eggs....
The Importance of the Mangrove Forest
Tropical coastlines and marshy areas around the world have one thing in common: mangrove forests. These consist of trees and shrubs that throw out many prop roots and sustain a large variety of aquatic animals, birds and plants. These mangroves form a complete ecosystem. That is, they provide a complete base for all the organisms within that environment to live and thrive. That keeps the balance in the larger environment of which humans are a vital part....
How Does the Steam Engine Work?
In 1804 the first steam-powered engine ran, carrying some iron in Wales, in Britain. But it was almost twenty five years later, in 1829, that George Stephenson, a British engineer, designed the “rocket” that paved the way for railways all over Europe, Asia and America. How Does the Steam Engine Work? [Illustration by Shiju George] The steam engine is an example of a heat engine. Heat engines are those that convert heat energy into mechanical work....
Why is a Hippopotamus called a River Horse?
Among Africa’s unusual creatures is a barrel-shaped gigantic animal, the hippopotamus (plural hippopotami). The hippo is the third largest land animal after the elephant and the rhino. Slightly smaller but heavier than a white rhino, a hippo can weigh nearly 1,800 kg. The animal is huge and barrel shaped nearly 12 feet long and five feet at its shoulder, with a short thick neck and small ears. River Horses [Illustration by Anup Singh] Hippos, or to use their biological name, hippopotamus amphibious literally means ‘river horse’....
Himalayas Have a Deep Impact on the Climate of the World
Tibet is known as the roof of the world. That is because it is on a region which has the highest altitude in the world. The Himalayan mountain range merges into the Tibetan plateau to form this region known as the Himalaya-Tibetan Plateau. Besides being the roof of the world, this plateau also has a deep impact on the climate of the world, says a report published in the May, 2001, edition of Nature, a science and environment journal....
Why doesn't our stomach get digested?
All the food we eat goes into our stomach. Here, it is broken into smaller and simpler substances and get absorbed into the blood. Then, the blood carries these food particles to the different cells of the body, where they are used to provide energy to our body. Why doesn’t our stomach get digested? How is food broken into smaller particles? When we eat, the glands lining the walls of the stomach secrete a thin, strongly acidic, almost colorless liquid, called gastric juice....
Why does the Sun follow You?
Have you ever noticed that when you are in a car, or a bus, travelling on a straight road, the Sun appears to move right along with you? While telephone poles and trees close to the road, whiz past in the blink of an eye, the Sun is always visible throughout the journey. No matter how fast Daddy drives, you just cannot leave the Sun behind. Strangely enough, the trees nearer the road disappear from your range of vision more quickly than the trees further off....
Where did Jazz Originate?
One has just to blow a note on a sax and your feet start tapping to the rhythm and your body starts swaying to the music. That’s Jazz for you. Ragtime, hip-hop, be bop, cool, blues – the very names make your finger snap and do a Texas two-step, no? Jazz has often been called the only art form to originate in the United States, though even this is not exactly true. Jazz, is a kind of music that was sung or played by the African slaves in the plantations of America....
Why is it Harder to Walk Uphill?
Raju heard the familiar cry of the ice-cream seller reach his ears, clear as a bell, even from his fourth floor apartment. He flew out of the flat and bounded down the stairs four steps at a time. The lift being under temporary repair, he had to take the stairs. He arrived downstairs a little breathless, and extremely impatient to have his ice-cream. After buying it, he decided to rush home so he could eat it in peace....