5Ws & H For Kids

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Who, What, Where, When, Why & How?

Who, what, where, when, why & how? Our online science magazine for kids tries to answer all your questions on science, environment, earth, geography, health, living beings, exploration and discoveries. You will find features on shooting stars, ocean depths, dinosaurs, satellites, ham radios, hiccups, and much more. Enter this fascinating kids science zone and find the answers to all your questions about the world around you.


210 items in this section. Displaying page 3 of 21

Why do Clocks Run Clockwise?

Why do Clocks Run Clockwise?

“Time to get dressed!” cries a harried Mama as she tries to pack the bag, straighten the tie, pack lunch, tie shoelaces as at the same time she pushes children dragging their heels towards the bus stop. Oh? Is it already “Time for school?” later still its “time for dinner” or “time for bed!” Old Father Time can be quite an interfering busybody and there really is nothing we can do. Most of us spend a greater part of our time and lives trying to beat exactly this – time!...

Why can’t the Sun melt Snow?

Why can’t the Sun melt Snow?

There are some things in nature that have a great capacity to toss back or reflect a great deal of the sun’s light that falls on them. One of them is snow. Newly formed snow reflects about 90 per cent of the sunlight that falls upon it. This means that the sun is powerless to melt clean snow. And when snow does melt, it is not because of the sunlight. Snow does not melt on a spring day because of the sun’s heat....

Why Do We Have Wrinkly Fingers After Swimming?

Why Do We Have Wrinkly Fingers After Swimming?

You’ve been playing in the pool for almost an hour now, practicing your best underwater somersaults. Now it’s time to get out, and as you look at your hands, it’s . . . it’s . . . it’s the attack of the wrinkly fingered monster! Don’t get frightened or run for cover under your towel yet. After spending lots of time in the water, it’s totally normal for fingers (and sometimes toes) to wrinkle. Why Do We Have Wrinkly Fingers After Swimming?...

Why are Human Voices Different?

Why are Human Voices Different?

Imagine a scenario. A criminal is being tried in court. He denies saying something. The prosecution brings a recording, saying they have his confession on tape. As the accused vigorously denies the voice being his, an expert shows just why the voice could be no one else’s. A fictional scene? Perhaps, but it is a reality that no two persons in the world have exactly the same voices. Do you know why this is so?...

How did the Pineapple get its Name?

How did the Pineapple get its Name?

What prompted people to call banana a banana and a pineapple a pineapple and not something else? Actually there is a reason behind the names given to each and every thing; be it a fruit, vegetable, an animal or inanimate objects like stars, planets, etc. However, sometimes the names are misleading, Take the example of pineapple: no it doesn’t come from a pine tree, nor is it an apple. When you look at a pineapple you may think you are looking at one fruit....

Why is the Dead Sea dead?

Why is the Dead Sea dead?

The Dead Sea is indeed a very scary name for a lake. It is called so because nothing lives in it. There are no sea weeds or plants, no fish either. This is because the Dead Sea is nearly six times as salty as the ocean. It also contains many other dissolved minerals, including magnesium chloride, calcium chloride and potassium chloride in large quantities. Whereas in fresh water, only minute quantities of these minerals are found....

What is the Mystery of Dracula?

What is the Mystery of Dracula?

As bats flap through the musty castle, a coffin lid creaks open and an ashy white hand gropes for the cover. The lid slides off and a caped figure rises in the gloom – Dracula is on the prowl! Vampires have enthralled generations of readers and moviegoers; and the most popular ‘vampire’ is the fearsome Count Dracula of Transylvania. Of course, these blood-sucking monsters do not exist and are merely the figment of our imagination....

Is Potato a Fruit or Vegetable?

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....

How Does the Steam Engine Work?

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 doesn't our stomach get digested?

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....

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