What is Mining? Process of extracting valuable minerals from the earths surface. Formations in Which Minerals Occur i) Veins and Lodes – Occurrence of minerals in crevices, cracks or faults in igneous rocks. ii) Reef – Veins and lodes which…
Minerals -Inorganic substances occurring naturally at or below the earth’s surface. Characteristics of Minerals Types of Minerals Rocks – A consolidated material composed of grains of one or more minerals. Classification of Rocks 1. Igneous Rocks -Rocks formed when molten…
What is Weather? Weather is the daily atmospheric condition of a place at a particular time. The elements of weather are: A Weather Station A place where observation, measuring and recording of weather elements is done. Factors to Be Taken…
The Sun It’s the centre of the universe. Characteristics of the Sun – It is a starA star is a heavenly possessing its own light which it transmits. Nebula/galaxy is a cluster of stars. The earth is in a galaxy called The Milky Way.– It’s…
Introduction to the Solar System – Solar system is the group of heavenly bodies comprising the sun and the nine planets. The origin of the Solar System – Definition: A theory is a set of reasoned ideas intended to explain facts or…
Introduction to Geography – It is defined as the scientific study of the earth as a home of man.– Study of interrelationship on natural and human phenomena on the earth’s surface. Environment – Defined as the surroundings– Refers to all…
Introduction to Pressure – It is defined as the force acting normally (perpendicularly) per unit area– The SI units for pressure is newton per metre squared (N/m² or Nm-2). – One Nm-2 is known as one Pascal (Pa). Formula for Pressure – pressure is…
Introduction to Force Force is a push or a pull. Force is therefore that which changes a body’s state of motion or shape.The SI unit for force is Newton (N). It is a vector quantity. Types of Forces 1. Gravitational force – this…
Measurement comprises of length, area, volume, mass, density and time. Universal System of Units is called system international d’ unites (International System of Units) – SI Units.Below are the major SI Units Basic Quantity SI Unit Symbol Length Metre m Mass Kilogram…
Physics is a Greek word meaning nature hence it deals with natural phenomena. What is Physics? – Physics is therefore a science whose objective is the study of components of matter and their mutual interactions.– Physics is also defined as the…
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...