Introduction to Floating and Sinking – Any object in a liquid whether floating or submerged experiences an upward force from the liquid; the force is known as upthrust force.– Upthrust force is also known as buoyant force and is denoted by letter ‘u’.
What is Uniform Cicular Motion? Circular motion is the motion of bodies travelling in circular paths. Uniform circular motion occurs when the speed of a body moving in a circular path is constant.This can be defined as motion of an object at
What is a Lens? A lens is conventionally defined as a piece of glass which is used to focus or change the direction of a beam of light passing through it.They are mainly made of glass or plastic. Lens are
– At a school laboratory:– An acid may be defined as a substance that turn litmus red.– A base may be defined as a substance that turn litmus blue.– Litmus is a lichen found mainly in West Africa.– It changes its colour
An acid may be defined as a substance that turns litmus red.A base may be defined as a substance that turns litmus blue.An indicator is a substance that shows whether another substance is a base/alkaline,acid or neutral There are some common and naturally occurring acids as
(i) Solutions (solid-liquid dissolved mixture) When a solute dissolves in a solvent it forms a uniform mixture called solution. A substance/liquid in which another substance dissolves is called solvent. A substance /solid /gas which dissolves in a solvent is called
A surd can be described as a root whose exact value cannot be found. It is an example of an irrational number; a number which cannot be expressed in the form: In getting the value of a surd, the decimal
African Socialism African Socialism is a social-political system that has its roots in African values. It is based on ideologies that are drawn from African traditions. This philosophy incorporates foreign values and ideologies that were deemed useful. Origin of African
United Nations International relations refers to the cooperation of independent nations from different parts of the world politically, socially and economically.The United Nations is an association of sovereign states formed after World War II UN Headquarters in New York –
World War I War refers to fighting between two or more conflicting parties. A world war is a war that is fought between many countries in different parts of the world, usually over long periods of time. World war I was
Translation is a process by which ideas that are written in one language ar...
Are the abilities that allow you to write effectively and concisely. A competent...
Reading is the process of going through written information or piece of wor...
What is Speaking? SPEAKING SKILLS: Speaking is simply the act of talking wh...
Listening is ability to accurately receive and interpret messages in the communi...
This is the field or branch of morphology which studies different principles or ...
Language is a symbol system based on pure or arbitrary conventions…...
Ecology is the study of the interactions between living things, such as humans, ...
EVOLUTION Evolution is a change in the genetic composition of a population...
Genetics is the study of heredity and variationHeredity- is the passage of chara...