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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
Introduction The human respiratory system is the most important part that helps in the proper functioning of the body. It supplies oxygen to the blood so that the blood is supplied to all parts of the body. Cells in the body use the oxygen as fuel and release carbon dioxide as waste gas. This waste … Read more
Introduction: Parks are the most crucial part of the city planning and important for the development of a healthy environment to the public. Parks are not considered to be a great recreational place for kids and elders but also great for the environment like improved air quality, improve water quality and protect ground water. When … Read more
Introduction Imagine humans and animals stay alive through food and water. Similarly, plants also need food and water to stay alive. This process where the plants survive is called as photosynthesis. Plants breathe carbon dioxide from the air and release oxygen back into the air. They also use the sunlight and water to carry out … Read more
Introduction The greenhouse effect is the process in which the gases in the atmosphere of the earth trap the heat from the sunlight and release more heat and radiation on to the earth. The important greenhouse gases are: Thus increasing the temperatures on the earth. In simple terms, it is the process that warms up … Read more