Tag: How to Questions
How do the fish living at the sea survive? Fish that live in deep sea water are adapted to a life without sun-light and green plants. They feed mainly …
How do the bees make honey? The bees suck the nectar from the flowers and swallow them. Special enzymes in the bees, act on the nectar whereby the sugars …
How is the exact carat of gold measured? Carat is the measure of purity of gold. Pure gold is of 24 carats. While for making ornaments, gold of 24 …
How is that information for weather forecasting obtained? Weather is constantly changeling in most parts of the world. Information like temperature, humidity, sunshine, air pressure, speed of wind and …
How does a radio work? Radio is the receiving end of the signals originating at distant radio stations. During a radio programme in the studio, the voices and music …
How is the speed of wind measured? The speed of wind can be measured by an Anemometer. The Beaufort system developed by Admiral Sir Francis Beaufort in 1805 judges …
How are meteorites dated? Meteorites are made up of Uranium rocks having radioactive atoms of Uranium and some non-radioactive atoms of lead. This Uranium is unstable and gradually decomposes …
How does a telephone work? The fascinating instrument, Telephone, was invented by Alexander Graham Bell in 1876. The Telephone transmits sound waves in the form of electric currents. The …
