What Radium Is? Radium is a radioactive element. The elements are made up of atoms. In general, atoms are stable, meaning that they do not change from year to year. A few heaviest atoms break down and change into other kinds. This break down of...
What Do You Know About Atomic Energy? Atom is the source of atomic energy. Every atom has particles of energy. Parts of an atom are held together by energy. For atomic energy source of energy is the core of an atom. When the atom is...
What Is The Size Of One Atom? Whatever we know about atoms may not hold good tomorrow. Scientists are constantly exploring and learning new things about the atom. We have the atom-smashing machines too. The word atom has Greek origin, meaning “indivisible.” Then it was...
What Do You Understand By Smog? In London city above 4,000 people died t between December 4th and 9th in the year 1952. The death was caused due to exposure to smog, which is so dangerous. In industrial cities, there are different combinations of gases...
What Smoke Is? The incomplete combustion of fuels results in smoke. There would be no smoke if our fuels burn completely. The fuels In general consist of hydrogen, carbon, oxygen, nitrogen, a little sulfur, and possibly some mineral ash. In case the fuels burn completely...
Why Is The Temperature Too High At The Equator? Every time we glance at a globe or map, the prominent feature of the equator shows up and does not appear imaginary at all. In actuality, it is only an imaginary line, and without actually knowing...
What A Rainbow Is? In nature, man has wondered for long as to what makes a rainbow, a most strikingly beautiful sight. The great Greek philosopher, Aristotle, tried to explain the rainbow. He thought that a reflection of the sun’s rays by the rain appeared...
Why is Lightning Followed By Thunder? The lightning and thunder must have been among the first to mystify and frighten the primitive man. The jagged tones of lightning coupled with claps and rumbles of thunder were taken for the gods being angry. Lightning and thunder...
How Dewis Formed? A lot has been written about dew. For a long, it has been misunderstood. It appears a simple phenomenon of nature. About 200 years ago, during Aristotle’s time, it was a belief that like rain dew “fell”. In actuality, it does not...
What Does Fog Mean? A cloud in contact with the ground is termed a fog. Basically, there is no difference between a fog and a floating cloud, high in the sky. A cloud near to the surface of the sea or the earth is called...
