MEANING, TYPES AND IMPORTANCE OF MAINTENANCE MEANING OF MAINTENANCE Maintenance is the act of taking care of tools, machines, buildings, and equipment so that they remain in good working condition. Maintenance helps to prevent damage and makes things last longer. TYPES OF MAINTENANCE 1. Preventive Maintenance – This is the type of maintenance done
INTRODUCTION TO WOODWORK AND HAND TOOLS MEANING OF WOODWORK Woodwork is the act of using wood to make useful items such as tables, chairs, doors, and shelves. In order words, woodwork is the activity of making useful items from wood. It involves cutting, shaping, joining, and finishing wood with simple tools. MEANING OF HAND
ATOM AND ELEMENTS | FIRST 20 ELEMENTS OF PERIODIC TABLE MEANING OF ATOM An atom is the smallest particle of matter that cannot be seen with the naked eye. Atoms make up everything around us – air, water, plants, animals, and objects. Atoms combine to form molecules. Example – Water is made of atoms of
COLOUR – PRIMARY AND SECONDARY COLOURS | RAINBOW COLOURS AND NATURAL COLOURS COLOUR Colour is what we see when light falls on an object. Different objects reflect different colours. Example – A red apple looks red because it reflects red light. RAINBOW COLOURS A rainbow is formed when sunlight passes through raindrops and is
THE SOLAR SYSTEM – NATURAL BODIES IN THE SKY | GRAVITY AND WEIGHTLESSNESS IN THE SPACE THE SOLAR SYSTEM The Solar System is made up of the Sun and all the objects that move around it. These objects include planets, moons, asteroids, comets, and meteoroids. The Sun is at the center of the Solar System
THE EARTH AND ITS MOVEMENT – ROTATION, REVOLUTION AND ECLIPSES THE EARTH AND ITS MOVEMENT The Earth is the planet we live on. It is round like a ball and moves in space. The Earth has two main movements: rotation and revolution. 1. Rotation of the Earth Rotation is the spinning of the Earth on