Triangles and their Types
Summary of Triangles and its Types Solved exercises of Triangles and its Types 9th class mathematics Triangle Triangle is a closed curve made up of three line segments. It has three vertices, sides and...
Author: Nancy Diana
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...
Agriculture
Summary of agriculture Solved exercise of agriculture Summary The practice of growing plants on a large scale for food or other purpose is called agriculture.Agriculture is the main occupation of the farmers. So farmers...
Factors and Multiples
Summary of factors and multiples Solved exercise of factors and multiples Summary Multiplying two whole numbers gives a products. The numbers that we multiply are the factors of the product. Example: 3 × 5 = 15...
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...
Fun with Magnets
Summary of fun with magnets solved exercise of fun with magnets Summary The substances having the property of attracting iron are now known as magnet, that produces a magnetic field . This magnetic field is...
Circles
Summary of circles Solved exercise of circles summary A circle is a set of all points in a plane at a fixed distance from a fixed point in a plane. The fixed point is...
Square ,Square Roots
Summary of square and square roots Solved exercise of square roots Summary Square Number When we multiply the number by itself we will get Square number.A square number is a natural number obtained by...
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,...
Water
summary of water Solved exercise of water Summary Water a substance composed of the chemical elements hydrogen and oxygen and existing in gaseous liquid and solid states. How much water do we use? Throughout...
