FRICTIONAL FORCES
Magnetism is a force that can attract (pull closer) or repel (push away) objects that have a magnetic material like iron inside them (magnetic objects). Magnets can be affected by… Read More »FRICTIONAL FORCES
Basic Science and Technology (Primary Classes)
FRICTIONAL FORCES
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… Read More »FRICTIONAL FORCES
FORCES
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… Read More »FORCES
SIMPLE MACHINES – INCLINED PLANE
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,… Read More »SIMPLE MACHINES – INCLINED PLANE
PULLEYS
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… Read More »PULLEYS
LEVERS
A machine is a simple object which makes our work easier to do. Many objects in the school and at home such as a pair of scissors, bottle opener and… Read More »LEVERS
SAFETY AND ACCIDENTS
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… Read More »SAFETY AND ACCIDENTS
Muscular system
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,… Read More »Muscular system
Digestive system
The human digestive system is a series of organs that converts food into essential nutrients that are absorbed into the body. The digestive organs also move waste material out of… Read More »Digestive system
System of the body and its functions
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… Read More »System of the body and its functions
BASIC ELECTRICITY
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… Read More »BASIC ELECTRICITY
BASIC ELECTRICITY
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… Read More »BASIC ELECTRICITY
MEANING OF HEAT AND TEMPERATURE
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,… Read More »MEANING OF HEAT AND TEMPERATURE
MEANING OF HEAT AND TEMPERATURE
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,… Read More »MEANING OF HEAT AND TEMPERATURE
MEANING AND IMPORTANCE OF ENERGY CONVERSION
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… Read More »MEANING AND IMPORTANCE OF ENERGY CONVERSION
DRAWING INSTRUMENTS
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… Read More »DRAWING INSTRUMENTS
MEANING AND USES OF MAINTENANCE MATERIALS
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. … Read More »MEANING AND USES OF MAINTENANCE MATERIALS
CAUSES AND PREVENTION OF ACCIDENT
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… Read More »CAUSES AND PREVENTION OF ACCIDENT
MEANING, TYPES AND IDENTIFICATION OF MATERIALS
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… Read More »MEANING, TYPES AND IDENTIFICATION OF MATERIALS
Forms of Force
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… Read More »Forms of Force