The green revolution and its impact

India is an agricultural country and 70% of its revenue comes from agriculture and related industries. Cotton occupies only 5% of the cultivated land, but 70% of this crop depends on pesticides. A lion’s share of the synthetic chemical fertilizers...

Disposals of hospital wastes

Health centers and patients in your area This is the age of smoke, waste and dirty water. You see them every where. Unbearable stench hounds us wherever we go. Ur villages, towns and cities give a filthy look due to the waste. The cause of this...

Man-led changes in nature

Man and environment An overview Human beings are just one of the millions of species inhabiting the earth. However, having evolved, they have developed a few physical characteristics that are special, like, the capacity to walk upright leaving...

Astronaut Trading Cards

  Astronaut Trading Cards   Astronauts have contributed to the advancement of space travel and exploration. Introduction An astronaut, or “star sailor,” is a person trained to travel in space. Astronauts include both men and women from 34...

Conservation Of Mass

  Experiment Regarding Conservation of Mass Early experiments related to mass helped lead to today’s understanding of conservation of mass. Introduction A chemical reaction occurs when two or more substances react and undergo chemical changes....

Virtual Fetal Pig Dissection

  Experiment Regarding Virtual Fetal Pig Dissection A virtual dissection reveals the gross anatomy of a fetal pig. Introduction Fetal pigs are excellent specimens for anatomical study because they have many structures in common with humans....

Caves Formation

    How Are Caves Formed? Caves can be formed by water, lava, and the action of bacteria. Introduction A natural opening in the Earth that is large enough for a person to enter is a cave. Within some caves, beautiful cave formations or...

Types of Chemical Bonds

Experiment Regarding Types of Chemical Bonds Elements form compounds through ionic and covalent bonding. Introduction Examination of the periodic table reveals that there are just over 100 elements. However, atoms of these elements can join in...

Population explosion and growing needs

To understand this changing situation better, you must observe how open spaces in an area are being used. Prepare a report on your findings. Estimate how the chosen locality will be ten years later and share the information with your collage...

Industrial wastes and pollution

Visit a factory or a workshop and peak to its management. The factory or workshop need not be big. It could be a small one with two pr three workers. Find out about the product manufacture in the factory, the raw materials used, and synthetic...

History of ice-cream

In 1671, King Charles I of England invited his friend to dinner. The meal was followed by new dish, the king’s French chef had concocted for the occasion. It was cold like snow but was much creamier and sweeter than any other dessert. The guests...

Settlements and shops A group of people living together in an organized way forms a settlements differ in size. Fertile soil, availability of water, a pleasant climate, the comforts of an organized life and its safety and security are the factors...

Development-environmental impact

We are proclaiming economic progress to be index of development. There is no doubt tat development based on such parameters leaves an impact on the environment. Industries, which are the symbols of development, have turned our ponds and lake into...

Cinema theatres and noise pollution

Horrifying facts Under the aegis of a non –governmental agency called society to Aid hearing impaired (SAHI), a device called pure tone Audio graph has been developed. The device can generate frequencies from 250 to 8000 kilohertz. All the...

Environmental pollution When we see smoke, we know that the air is polluted. When water changes color, it is clear it is contaminated. When the soil does not yield crops, it is barren land, high level of noise trouble us. It is noise pollution in...

Globalization liberalization

Globalization is a process of catering to the global market with products services. That is o say that the whole world seems to turn into a single market. Liberalization is a process of lifting controls on production of goods and delivery of...

The difference between weather and climate

You can easily find the direction of the wind by looking up top see the direction in which the clouds move, or the direction in which the smoke from a chimney travels or a flag flutters. However the instruments particularly used to find the...

The albatross Albatrosses are oceanic birds. They live at sea. They are believed to e the sailors’ friends d supposed to bring good luck to mariners. They come to land on islands only because the young ones have to be on land until they can fly....

The increasing use of plastic

The plastic Consumerism has grown rampantly with the plastic covers promoting the concept of `purchase anything at any time’. We have forgotten out culture of conservation and are replacing it with the western ways of consumerism. Materialism...

Agriculture-the lifeline of the nation

Similarly, the development of agriculture and growth of particular crop depends on the rainfall in the area, the farmer’s traditional practices, governmental pricing policies, transport and the market. The basic difference between agriculture and...

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