A pulley is a wheel that has a smooth groove in its rim, with a rope passing through the groove. At times, there are loads that are too heavy to lift. MEANING OF PULLEY A pulley is a simple machine that is used to lift heavy objects. A simple machine for overcoming this difficulty is […]
Plants are living things that can be found in our environment. Plants can manufacture their food by themselves making use of water and energy from sunlight through a process called photo they thesis. Plants take in carbon dioxide produced by animal and give off oxygen that is needed by man for survival Parts of
MEANING OF SAFETY Safety means keeping yourself and others free from harm or danger. That’s being careful not to fall, bump or run into things. MEANING OF ACCIDENT Accidents are unplanned or unexpected events that happen to human beings. Accidents can happen everywhere, for example, in the schools, homes, roads and markets. COMMON ACCIDENTS
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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
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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
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
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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
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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
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An inclined plane is a simple machine. It allows one to use less force to move an object. Examples of inclined planes are ramps, sloping roads and hills, plows, chisels, hatchets, carpenter’s planes, and wedges. MEANING INCLINED PLANE An inclined plane is a simple machine used to raise a load to places higher than the
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In the school and at home, we see many moving things. We move about on our legs, vehicles move on roads, trains on the rails, aeroplanes fly in the sky and ships sail on the seas. Movement occurs when a force is applied on a thing or object. That is, force causes things to move.
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
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
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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
System of the body and its functions Body systems are groups of organs and tissues that work together to perform important jobs for the body. Some organs may be part of more than one body system if they serve more than one function. Other organs and tissues serve a purpose in only one body system.
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The muscular system is made up of tissues that work with the skeletal system to control movement of the body. Some muscles—like the ones in your arms and legs—are voluntary, meaning that you decide when to move them. Other muscles, like the ones in your stomach, heart, intestines and other organs, are involuntary. Functions
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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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,
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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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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