sowmya 
Introduction: Rainforests are the forest that report very high frequency of rainfall annually. Rainforests are responsible for 28 percent of the world’s oxygen turnover. Rainforests are becoming thin because of deforestation which in turn results in habitat loss and atmospheric pollution. There are two types of rain forest, tropical and temperate. The common thing between … Read more
Introduction: Water that comes into our taps from the tank is usually cold because it is groundwater. During cold weather conditions, it becomes difficult to use the normal water running through the tap. That’s when hot water requirement comes into the picture. This need has been satisfied by the invention of water heaters. Water heater … Read more
Introduction: In this post we learn how does a ballon boat works and this project is morely meant for school students which works on the air pressure concept very simple terms, water boat is a vessel that supplies fresh water to the ships. Water boats come in various sizes and shapes which are used for … Read more
Introduction: Hibiscus is a flowering plant that growing under tropical and sub-tropical weather conditions. There are nearly hundreds of species of the plant. The hibiscus tree can grow up to 20-30 feet but the flowers are 4 inch wide. They have a beautiful structure and can grow up to 4inch length. Hibiscus flowers are sometimes … Read more
Introduction: Air pump was invented by Robert Boyle and Robert Hooke. It is a pump that is installed in bicycles, aquarium, gas compressor, air horn and vacuum cleaner to pump air. The common mechanism that goes into an air pump is that a part of the air is pushed that creates vacuum which is filled … Read more
Introduction: Windmill turbine generally called as wind turbine is a machine that is used to convert energy in the wind into electricity. The windmill turbine has blades that rotate for a certain number of revolutions depending on the technology. They rotate at a constant or variable velocity according to the velocity of wind in order … Read more
Introduction: A zoo is a place where animals are kept in a safe and protected habitat for the purpose of observation and experience of common man. The term zoo refers to zoological garden. The word zoology was derived from the Greek word, ‘zoion’ meaning animal and ‘logia’ which means study. The animals present at zoos … Read more
Introduction: Gandhi Jayanthi is the birth anniversary of Mohandas Karamchand Gandhi. It is celebrated every year on October 2nd, it is one of the three national holidays in India. The other holidays are Independence Day and Republic Day celebrated on August 15th and January 26th respectively. It is marked with community celebrations all over India, … Read more
Introduction: A forest is a large space filled with trees and animals living in their natural habitat. Forests are of various types. Based on the location of a forest its density and the inhabitation of animals vary. The animals present in forests are wild and work according to the food chain. Forests are large masses … Read more
Introduction: Swachh Bharat mission also known as Swachh Bharat Abhiyan is a campaign in India that has been started by the Prime Minister Narendra Modi. The time that has been set for this campaign is 2014 – 2019 as a mission to clean the streets, roads and infrastructure of India’s towns, cities and rural areas. … Read more
Introduction: Traffic signals and street lights are very crucial to the safety of the pedestrians and vehicles. For this to be done successfully, it is very important that the traffic signals and lights are functional and efficient all the time. Street lights can be used to ensure safety in the urban areas by making sure … Read more
Introduction: The respiratory system includes nose, pharynx, larynx, trachea, bronchi and lungs. Lungs are the pair of organs that look like air filled balloons located on either side of the chest. Lungs are responsible for pumping the oxygen into the blood through the process of respiration. In this process, air is breathed through the mouth, … Read more
Introduction: Oxygen cycle is defined as the circulation in various forms through nature. Oxygen cycle is always interconnected with carbon cycle. The oxygen cycle has four main reservoirs atmosphere, inner crust of the earth, hydrosphere and lithosphere. The critical factor that runs the oxygen cycle is the process of photosynthesis, which leads to the earth’s … Read more
Introduction: The cutting down or removal of trees in a forest area or trees, in general, is referred to as deforestation. This results in major environmental problems, one of them been the greenhouse effect. It is very important to create awareness to stop this and encourage reforestation. Forests cover 30 percent of the earth’s area … Read more
Introduction: Water pollution is defined as the contamination of the sources of water due to various pollutants, human activities. Water pollution is serious health hazard that threatens the human life because it is the most important source of functioning in the human body. The sources of water that get effected due to water pollution are … Read more