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What is lightning
| Lightning may be described as a form of visible electric discharge when rain clouds meet or when a rain cloud meets the earth. more>> |
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Why are birds' eggs of different colours and patterns?
| Different birds live in different climates and different regions on the earth. Learning about each species of birds is a long process. more>> |
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Tell me Why & how
| Bulls can not see red. This is only a myth. Bulls and in fact, all animals are colour blind. They cannot distinguish colours. more>> |
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Common queries from children
| The origin of many of the constellations is lost in the past. more>> |
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When were kites invented?
The oldest known example of a kite is from China found in a 2,300-year-old, Chinese work of art. more>> |  |
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What is common between chalk and sugar?
What do chalk, sugar, soap, polythene, nylon and vinegar have in common? more>> |
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What causes the seasons?
The basic cause of the seasons is the tilt of the Earth's axis, which is tipped over at an angle of 231/20 to the perpendicular to the plane of the Earth's orbit. more>> |
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