Wastewater Story
Water that has being used by someone and which is of no use is known as Wastewater. It is of dirty colour and with lots…
Tag: Class 7 Science
Forests: Our Lifeline
Forest is the home of wild animals, birds and they are known as the lungs of the earth. Forest gives us many resources like fresh…
Water: A Precious Resource
Water is the most essential substance for the existence of life. Water is essential for the survival of any living organism, be it a plant…
Light
Light travels along a straight line. The speed of the light is 3*10 to the power 8 m/s. When light falls on a smooth/shiny surface…
Electric Current and Its Effects
Electric cell An electric cell has two lines. One is shorter and the other line is longer. The longer line represents the positive terminal. The…
Reproduction in Plants
Reproduction is the formation of offspring from parents. It is a basic character of a living being, both plants and animals. Reproduction can be various…
Transportation in Animals and Plants
Organisms need food, water and oxygen for survival that has to be transported throughout the body, both in an animal or a plant. Not only…
Respiration in Organisms
Energy is needed by living as well as non-living things to do work. Without energy, they stop doing work. Our body needs the energy to…
Soil
Soil is the topmost layer of the earth’s crust, on which all plants grow. It also provides shelter to many animals that live on it…
Winds, Storms and Cyclones
On May 20, 2020 the super cyclone Amphaan hit the states of Orissa and West Bengal and raged for hours on end before moving on…
