HEAT Heat is a form of energy that increases the level of hotness of the body. TEMPERATURE Temperature is the degree of hotness or coldness of the body –water, iron, food etc. Heat and temperature are often used as if they are used as the same thing. When substance is hot, the temperature is…
Energy is the ability to be active or to do work MEANING OF ENERGY CONVERSION Energy conversion is also known as energy transformation. It is the process of changing energy from one type of energy to another. FORMS OF ENERGY CONVERSION Mechanical energy can be transformed to heat energy. Electrical energy can be transformed…
Drawing is a form of visual art in which a person uses various drawing instruments to mark paper or another two-dimensional medium. Instruments include graphite pencils, pen and ink, various kinds paints, inked brushes, colored pencils, crayons, charcoal, chalk, pastels, various kinds erasers, markers, styluses, and various metals (such as silverpoint). Digital drawing is the act of using a computer to draw. A drawing instrument releases a small amount of material onto a surface, leaving a…
The purpose of maintenance is to ensure that our equipment is in good working conditions. A breakdown in plants and machines clouds is as a result of inadequate maintenance. MEANING OF MAINTENANCE Maintenance is an activity that should be carried out on regular basis in order to keep equipment in good working conditions. …
MEANING OF SAFETY Safety is the state of being safe, the condition of being protected from harm and other non-desirable outcomes. Safety means keeping yourself and other from harm and danger. MEANING OF ACCIDENT An accident is an unplanned event that sometimes has inconvenient or undesirable consequences. An accident is something harmful and takes…
MEANING OF MATERIALS A material is a substance or mixture of substances that constitutes an object. Materials can be pure or impure, living or non-living matter. Materials can be classified based on their physical and chemical properties, or on their geographical origin or biological function. Materials are resources used in making products of technology. …
Force is a push or pulls acting upon an object as a result of its interaction with another object. There are a variety of types of forces. Previously in this lesson, a variety of force types were placed into two broad category headings on the basis of whether the force resulted from the contact or…
LIGHT ENERGY Light energy is a form of electromagnetic radiation. Light consists of photons, which are produced when an object’s atoms heat up. Light travels in waves and is the only form of energy visible to the human eye. SOURCES OF ENERGY Sun Electric bulb Explosion Flame LED (Light Emitting Diode) Fire Moon Tube…
Heat Energy Thermal energy is created from the vibration of atoms and molecules within substances. The faster they move the more energy they possess and the hotter they become. Thermal energy is also called heat energy. Chemical Energy Chemical energy is stored in the bonds of atoms and molecules – it is the energy that…
What is Modern Technology?. Modern technology is the advancement of the old technology with new additions and modifications. For an example, it is impossible for the people in this decade to live with a wired telephone placed on the table. So, the mobile phone which can be taken with us anywhere is the perfect…
Technology is something which needs our eyes on. The latest technology changed a lot from what we saw in the last decade or the past century. New machines and gadgets are invented to make the jobs easier like never before. From the little tailor machine to the fastest car in the world, all got automated…
There are seven activities which make organisms different from non-living things. These are the seven characteristics of living organisms. 1. Nutrition Living things take in materials from their surroundings that they use for growth or to provide energy. Nutrition is the process by which organisms obtain energy and raw materials from nutrients such as proteins,…
Comparison of plant and animals as living things Animals are classified as wild and domestic animal. Domestic animals are animals that live with us at in our home, school compound and environment which we care for and they are not harmful to us. Domestic animals can also be called a friendly animal. While wield animals…
Parts of the human body includes:- Head, eye, nose, mouth, arm, hand, knee, leg, foot, toes etc. Each part of the body is useful to us, part of the usefulness includes:- Part of the body Use Part of the body Use Eyes To see things Mouth To talk and to eat Nose To smell things…
Animals live in different kinds of homes. Based on where animals live, they can be classified into two groups, these are:- Domestic animals: – These are animals that live with man at home; they are also known as harmless animals. Examples are cat, dog, hen, cow, goat, ram etc. Wild animals:- These are animals that…
Feeding All animals eat food. The food they eat may be different. Some animals feed on banana, some animals eat beans, some cassava, some eat chick, some eat grass, some feed on maize, some eat leaf, some eat rat while fishes eat worm. Movement All animals can move. A goat can walk and it can…
Animals are living things which means they can perform the characteristics of living things which include reproduction, feeding, movement etc. Animals cannot produce their own food themselves. They rely either directly or indirectly on the food produced by plant. Animals breathe in oxygen that is produced by plant. Examples of common animals: butterfly, cat, cock,…
Plants are very useful to us in many ways. We can make many things from plants for our use. As foods: A lot of the food that you eat comes from plants. For building, decoration, furniture, shade and as tools For making medicines: Plants are used for making various types of medicines. Only people who…
Shape The shape of the leave of a plant can be described as follows: broad leaves, long leaves, narrow leaves, round leaves, divided leaves, thick leaves and thin leaves. Size Plants differ in their sizes. Some are big. Some have a medium size. Others are small. Example of a plant with a big size is…