How does an earthquake happen? The entire earth’s crust is broken into plates which float on the semi-molten lower mantle with their edges right next to each other. When …
How is the moon different from the Earth? There are many differences between Moon and the Earth. Moon is a natural satellite of Earth revolving around it whereas Earth …
How does a Chameleon catch its prey? A Chameleon has an insectivorous mode of feeding. Its long protrusible tongue with a sticky clubbed tip helps it to catch the …
How can the helicopters hover in the air while the aeroplannes cannot? A helicopter flies due to the lift created by the spinning of the rotor blades on top …
How many countries have boycotted Olympics? The first Olympics to be boycotted were the 1976 Olympics by the African nations. They demanded the expulsion of the New Zealand Rugby …
How many games can be played with a ball? If you thought only cricket and foot ball are played with ball, you are in for a surprise. Besides the …
How are earthquakes measured? The tremors produced by an earthquake can be measured by using sophisticated instruments called ‘ Seismographs’ it shows earth tremors as wriggles in hire traced …
How does ice crack open pipes made of strong metals. Water has the property of expanding by about one- ninth of its volume when it freezes. Ice, therefore occupies …
