When will the Oceans of the Earth Overflow?
Try this out. Plug the sink and leave the water running. It will lead to a flood in the bathroom and a scolding for letting the …
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5ws and h
All features, stories and articles categorised by: 5ws and h
210 items · page 17 of 18
What are Canal Locks?
In some rivers or canals the water is not too deep for large ocean-going ships. In such places large watertight compartments are …
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What kind of Family Life did the Dinosaurs Have?
In Argentina this year, scientists digging on a site made a fantastic discovery, which made them realise that dinosaurs lived as a …
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Why are Some Reptiles Brightly Coloured?
Most animals have skin colour that makes them merge into their surroundings. They become near invisible unless you look very …
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Why do Earthquakes Occur?
As a result of upheavals below its surface, the earth shakes now and then. This shaking of the earth is known as an earthquake. …
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Why do Beavers Build Dams?
Picture a giant rat with a flat tail and webbed feet. That’s what the beaver looks like. There are two kinds of beavers: the …
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What does SOS mean?
Recently, sailors on the nuclear submarine that sank in the Baltic Sea were isolated from rescue workers as their radio set got …
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Why are Eggs Oval?
Have you ever climbed a tree and peeked into the nest of a crow or a sparrow? Or looked into that flowerpot where the noisy pigeon …
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Why Do Horses Need Shoes?
Clip-clop, clip-clop goes a horse on the road. If you look carefully you will see that it walks on the tips of its toes – like a …
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Why do Ears Pop?
Recently I went to the top of a skyscraper in a lift. After I had gone up a few stories, I felt a funny sensation in my ears. My …
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The Colours of Light
A beam of light seems to have no colour. Actually, it is made up of coloured rays. Usually, these coloured rays combine to form …
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Why Do Stars Twinkle?
Watching stars on a moonless night can be an quite an interesting experience. As clusters of stars take familiar forms – of a …
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