Gongs are constructed of hammered metal. Most are made out of wood, bronze or brass, but with an amalgam of other metals. Although a lot of gongs are made in China, they are not mass produced like televisions or plastic toys. Each one is handmade. Gongs serve dual purpose of being a musical instrument and […]
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
You can sound the trumpets, bang the drums and strike up the band. It is possible to make musical instruments using recycled materials. There are mental and physical benefits associated with playing and listening to music. Examples of musical instrument that can be produced at home. Guitar: – To make a guitar, simply stretch several
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Local Instruments that Produce Sounds Local musical instruments are objects put together in the locality to produce music There are many local instruments in Nigeria that can produce sound. This include:- Shekere Samara Gangan Ekwe Udu Agidigbo Bata drum Kakaki Xalam Ogene Kontigi Presentation Step I: Teacher revises the previous topic. Step II: Teacher
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Scientists have produced a lot of modern instruments that can produce sound energy, some of these instruments are:- drum, saxophone, clarinet, piano, guitar, harp etc. Examples of Instruments and Sound Energy Castanets clicking A calliope singing Cymbals crashing A drumstick striking a drum head Electric guitar whining A hammer striking a steel string in a
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Sound energy is produced when an object vibrates. The sound vibrations cause waves of pressure that travel through a medium, such as air, water, wood or metal. Sound energy is a form of mechanical energy. Examples of Sound Energy An air conditioning fan An airplane taking off A ballerina dancing in toe shoes A balloon
WORKSHOP – SAFETY RULES, REGULATIONS & TECHNIQUES A workshop is a place where engineering activities are carried out. WORKSHOP SAFETY RULES AND REGULATIONS WORKSHOP ACCIDENT Workshop accident is an unforeseen/unexpected occurrence that way cause injury or pain on the personnel, wastage of materials and damage of tools and equipment. CAUSES OF WORKSHOP ACCIDENT Ignorance
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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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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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The level of technology in a society determines whether the society is developed or underdeveloped.
Some of the technology that determine the level of development of a society are:
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Technology has improved the standard of living and solved human problems in the following ways.
Highways with traffic light to control the flow of traffic
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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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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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Electricity is the flow of electric current. Electric Current is the continuous flow of charges (electrons). It is also the rate of flow of charges. Electricity has several applications in the modern day society.
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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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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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