What Are Plastics?

These days plastics found great applications in thousands of products like- medical equipment, computers, toys, automobile parts, sports equipment, clothes, household items, defense equipments, cookware etc. Moreover, plastic industry is growing day by day. Even before the invention of first synthetic plastic, various naturally occurring materials like- shellac, gutta percha, horns of the animals were … Read more

How To Melt Glass?

Working on glass is not less then a hobby for many people. But a successful glass worker is needed to be extremely efficient and highly skilled in his work. Many things can be done with a glass. One can cut glass in any desired shape, one can make holes in the glass, one can use … Read more

What Is Self Concept?

Everyone has a concept of what they are and who they are. Some people are more aware of this than others, because there are individuals who go through a day of work or social interaction without considering who they really are or how they fit into the world around them. It’s not as easy as … Read more

How Is The Weather Forecast Made?

Newspapers, radio and television are the main sources through which daily we get the weather forecast. The possibility of storm, rain or thunder etc. is forecasted by the weather experts. Do you know how they get this information? Many meteorological aspects have been studied by the scientists to make predictions about the weather. Mainly the … Read more

Why Some Plastics Are Non Recyclable?

Plastic is the common term for a broad range of synthetic or semi-synthetic organic materials used for manufacture of a variety of domestic and industrial products. Plastics are typically long chains of high molecular weight, that may contain other chemicals and substances to develop better performance. There are two mainly types of plastics, thermoplastic and … Read more

What Is Attitude?

The dictionary definition of attitude includes such words as “feeling” and “position.” This combination is interesting because, to most psychologists and to many in the working world, if a person feels a certain way it puts that person in a particular position from which to view the world. According to most language research, the word … Read more

How Is The Depth Of The Sea Measured?

Today, the man has obtained a lot of information about the seas. Yet he is unknown to many mysteries of the sea. For example, still he does not know about the time of the origin of seas. However, it is certain that at the beginning of the creation there were no seas. Today innumerable instruments … Read more

How Is Glass Recycled?

Glass: Glass is a transparent amorphous kind of solid, which may be hard or brittle and is used in windows, some types of bottles and spectacles or eyeglasses. In technical words we can say that glass is an inorganic substance which is cooled to rigid state without its crystallization. Silica is the main component of … Read more

What Are Personality Traits?

In essence, personality traits are the pieces of a puzzle, the ways of behaving that are evident to those around us. Laboratory and scientific study tries to identify traits as fitting into two major categories. One is called by the term “idiographic,” which simply means that the complete picture of an individual personality is unique. … Read more

What Causes Ocean Currents?

We all know that the water in the ponds and lakes is static, whereas the sea water is not static. There are currents of water in the oceans also. The speed of these currents changes from place to place. Do you know how ocean currents cause? Ocean currents cause due to the three main reasons. … Read more

How Are Plastic Bags Made?

The word “plastic” covers a lot of different items and materials, though most people are familiar with the thin but strong type of plastic that is used to produce plastic bags. After the basic chemical process is complete and thin sheets or a film of plastic material is ready, pieces can be shaped and heat-sealed … Read more

How Are Plastic Bags Made?

The word “plastic” covers a lot of different items and materials, though most people are familiar with the thin but strong type of plastic that is used to produce plastic bags. After the basic chemical process is complete and thin sheets or a film of plastic material is ready, pieces can be shaped and heat-sealed … Read more

What Is Acoustics?

Acoustics is the science which studies mechanical waves (colloquially termed as sound) present in gases, solids or liquids. The name comes from the Greek language word which means ‘ready to hear’. Acoustics is primarily applied in designing lecture rooms, cinema halls, theaters etc. Let’s see how it works taking the example of cinema halls. It … Read more

How Does The Wind Blow?

We all know that air is the mixture of gases like nitrogen, oxygen, nitrogen, dust particles, water vapors. When the air is in motion we call it the wind. Let us study how the wind blows? When an area of the earth gets heated by the rays of sun then the air of that area … Read more

How Do Fireworks Work?

Fireworks come in many different shapes, sizes and colors. But most of them have the same basic system that makes them work. Everything from the smallest sparkler to the largest aerial “bombs” that we see during celebrations are considered fireworks. Each one works a bit differently, but the idea is generally the same. For example, … Read more

Why Is The Sky Blue? WG

When we look at the sky on a “sunny” day it appears to be blue. But we can’t accurately say that the sky is blue! When we stand outside and look at the night sky it appears to be black, except for the few specks of stars. So, what’s the difference? There may be two … Read more

How Do Clouds Form?

Clouds are water, though they certainly don’t look like it from down here on the earth. But they form when water on the earth’s surface evaporates (water turns from liquid to gas – from the ocean, from a lake, river, etc.). The air with this water vapor in it rises and as it gets to … Read more