Introduction
Equal volumes of different substances have different masses or weights. For example 1 m3 of lead weighs differently from 1 m3 of wood. Also 1 m3 of water has a weight different from that of sulphuric […]

Standard Form
Here we will learn a form of writing numbers. We use the standard form to express very large and very small numbers e.g. 327,800, 000, or 0.000096. The standard form is written as a x 10n where a is […]

Introduction
A radical is a group of atoms which behave as one unit. They do not exist separately outside a compound. Radicals are divided into two parts namely cations and anions.

The cations are the […]

What does being a ‘digitally competent’ teacher mean? Does it mean using laptops, smartphones, or tablets in the classroom? Does it mean finding new and interesting ways to use those devices along with apps and […]

While many people assume Snapchatting involves teenagers passing revealing pictures between themselves—is this true? We really wouldn’t know—there’s actually much more to the app than that. Read on for some of the […]

An abbreviation is an easier and short way of writing a word or phrase. It may consist of one or more letters. There are dozens of abbreviations which we use on daily basis but very less people know their actual […]

Logarithm of Number Less Than 1
The characteristics of the logs of all numbers equal to or greater than 1are equal to or greater than 0, i.e. are all positive or zero, if m is the characteristics of all log10 N […]