What is materials? Materials can be described as substances that produce other things. The properties of the following materials shall be considered: Wood Metals\ceramics and glass Rubber Plastics WOOD Wood is a material obtained from a tree by cutting down. The process of cutting a tree down is known as felling. STRUCTURE OF A TREE. […]
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BUILDING – CLASSIFICATION, FUNCTIONS, BUILDING MATERIALS, PRODUCTION OF CONCRETE A building is a fixed structure meant for human occupancy and uses. It provides shelter for man and his property. CLASSIFICATION OF BUILDING Buildings are classified according to the following. Occupancy and uses The numbers of floors they have The types of materials used and its
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Technical drawing is a universal language used for communication among technological professionals. The professionals that use technical drawing are Architects, Engineers, surveyors, technicians, technologists, draughtsman, designers etc. Professionals and students of technical drawing need the required instruments and materials to make good drawings because technical drawing involves the use of symbols, lines, measurements, etc. to
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A foundation (or, more commonly, base) is the element of an architectural structure which connects it to the ground and transfers loads from the structure to the ground. Foundations are generally considered either shallow or deep. Foundation engineering is the application of soil mechanics and rock mechanics (Geotechnical engineering) in the design of foundation elements
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The major wood product categories are sawntimber, wood-based panels, woodchips, paper and paper products and miscellaneous others including poles and railway sleepers. During the last several decades, forest product processing technologies have undergone extraordinary advances in some of the above categories. Improvements have been achieved in terms of recovery rates, higher qualities in terms of
Motion can be defined as the movement of a body (object) from one point to another with the application of force. Types of Motion At this level, the two types of motion to be considered are Linear Motion and Rotary Motion. Linear Motion: This is the motion of a body moving in a straight line.
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When it comes to house wiring, there are several tools and materials you may need. Here’s a list of common tools and materials used for house wiring: Top Electrical Tools List Pliers Screwdrivers and nut drivers Wire strippers Utility Knife Fishing tools Measuring devices Labeling machines Power drills and drivers, hammer/drills Power saws Voltage Detectors/
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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
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.
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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
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Electricity is a form of energy that can give things the ability to move and work. Electricity makes the following to do work or move: bulbs, toys, machines, cars, television etc. PUPILS ACTIVITIES Materials required A plastic comb (or a glass rod or a plastic rod), pupils with dry hair, a piece of dry
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
Meaning of Radioactivity Radioactivity is the spontaneous disintegration or breaking down of the nucleus of an atom which makes it give out or emit radiation. Any element that disintegrates spontaneously and release rays us called a radioactive element Discovery of Radioactivity Radioactivity was discovered by a French physicist called Henri Becquerel in 1896. He
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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
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
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To stop a moving object, a force must act in the opposite direction to the direction of motion. For instance, if you push your book across your desk, the book will move. The force of the push moves the book. As the book slides across the desk, it slows down and stops moving. The force
Maracas is known as shekere in Yoruba land. It is one of the major instruments mainly used when performing a musical concert. The following are materials needed for making maracas at home Rice Plastic egg Two plastic spoons Cellotape Procedure for making maracas Pour rice into an empty plastic egg and close the egg. Tape
Safety is the act of freedom from injury, sickness or accident, or damage or death. Safety guidelines are general rules or instructions written to give advice and direct people behaviour
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What is Technology? Technology is the systematic application of scientific or organized knowledge for the use of mankind. Science and Technology are closely related. Science is a system of acquiring knowledge through research. Technology is the application of scientific result and knowledge to solve life’s problem. Benefits of Technology Technology helps man to provide
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This is the ability to use, manage, access and understand technology. When this skills and knowledge is acquired, it can be used in communication and solving problems. Technology literacy helps man to use information communication technology (ICT) to solve diverse problem such as online messages, online banking, online registration etc. REASONS FOR BEING TECHNOLOGICAL
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