Pollution
Summary of pollution Solved exercise of pollution Summary These human as well as natural activities have been continuously bringing about degradation of the environment. Such changes have spoil the quality of the environment thereby...
Category: 7th Class
HARD WATER AND SOFT WATER
Summary of hard water and soft water Exercise of hard and soft water Summary Hard Water: If it contains dissolved salts of chlorides, sulphates and bicarbonates of calcium and magnesium. Example: water of some...
Energy
Summary of energy Summary Is the capacity of a body to do work. Energy is measured by the work that the body can do. Energy exists in many forms such as heat, light, sound,...
ELECTRICAL APPLIANCES IN EVERYDAY LIFE
Summary of electrical appliances in every day life Summary Electrical appliance is one of the basic components of a circuit which makes use of electricity. we make use of electricity to take care of...
INTEGERS
summary of integers Solved exercise of integers Summary An integer is defined as the number that can be written without a fractional components ie,21, 4, 0, and −2048.A number which is not a fraction...
FIBRE TO FABRIC
Summary of fibre to fabric Summary Clothing is very important to human beings. The importance of clothes are They protect from heat They protect from cold They make us look nice and decent. FIBRE...
CELL AND CELLULAR ORGANIZATION
Summary of cell and cellular organization Solved exercise of cell and cellular organization Summary Our planet earth, there are numerous varieties of plants and animals living in different habitats including there are also a...
HEAT AND TEMPERATURE
Summary of heat and temperature Solved exercise of heat and temperature Summary Heat: The sum of kinetic energy of all the molecules in a matter. As heat is a form of energy, the unit...
