Donate HereGraphs and plotting – upper primary
Graphs The common graphs at primary level are the line graphs and bar graphs. Line graph A line graph is a type of chart used to show ... Read More
Factors affecting the equilibrium constants, Kc and Kp
These factors include temperature, concentration, pressure and catalyst. these factors are well explainned in this video Read More
Probability
Probability Probability is the likelihood or chance of an event occurring. Many events can't be predicted with total certainty. The best we can say is ... Read More
Algebra-Upper primary
Algebra Algebra is a branch of mathematics dealing with symbols and the rules for manipulating those symbols. In elementary algebra, those symbols (today written as ... Read More
Modulus- upper primary
Modulus Download question and answer from the PDF below modulus - upper primary Sponsored by The Science Foundation College +256 753 80 27 09 Compiled ... Read More
Bases – Upper primmary
Bases We are accustomed to writing numbers in base ten, using the symbols for 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 ... Read More
Simple interest -Upper primary
Simple interest There is a formula for simple interest I = PRT where I = interest P = amount borrowed (called "Principal") R = interest ... Read More
Speed and distance
Distance, speed and time Distance is a numerical description of how far apart two objects are from each other. Speed is distance over time taken ... Read More
Mean, mode, media , range, revision questions and answers
Mean, median, mode, range The "mean" is the "average" you're used to, where you add up all the numbers and then divide by the number ... Read More
Pie Chart – Upper primary
Pie chart It is a circular graph which is used to represent data Constructing Circle Graphs or Pie Charts A pie chart (also called a Pie Graph ... Read More
Bearing – Upper primary
Bearings A bearing is an angle, measured clockwise from the north direction. Example What is the bearing of A from B in the diagram below? The bearing ... Read More
Volume – Upper primary
Volume This is the amount of space taken up by an object, while capacity is the measure of an object's ability to hold a substance, ... Read More
Area – Upper primary
Area Area is the size of a surface. Formulae of the area of simple shapes Example Find the area of the base of cuboid below. Solution ... Read More
Lines, Angle, parallel line, polygons- upper primary
Angles In geometry, an angle can be defined as the figure formed by two straight lines meeting at a common end point. An angle is represented ... Read More
Perimeter- Upper primary
Perimeter. Perimeter is the distance around a two-dimensional shape Formulas for finding perimeter of regular objects Perimeter of a rectangle = 2l + 2w =2(l + ... Read More
Angle construction
Constructing Angles of 60º, 120º, 30º, 150, 90º and 450 How to construct an angle of 600. (i) Draw a line and select point A. ... Read More
Sets – upper primary
SETs A set is a collection of distinct objects, called elements of the set A set can be defined by describing the contents, or by listing the elements of ... Read More
Roman numerals – upper primaary
Roman numerals The table below equivalent of roman numerals to Arabic numeral 1 2 3 4 5 6 7 8 9 I II III IV ... Read More
Force and simple machine – upper primary
Force A force is the pull, push or a lift on an object. Force is measured in Newtons using a spring balance Effect of ... Read More
Preparation of hydrogen
procedure of preparation of hydrogen and worked examples Read More
Properties of matter – upper primary
PROPERTIES OF MATTER Matter Matter is anything that occupies space and has mass. Mass is what matter is made up of. Matter exists in three ... Read More
Magnetism-upper primary
Magnetism A magnet is a piece of metal which has ability to attract other metals. Magnetic substances are those substances which can be attracted by ... Read More
Preparation of oxygen with worked examples
principles of preparation of gases i.e. preparatory state, purification stage, drying stage, and collection stage. Preparation oxygen, sample questions and answers Read More
Sound energy-upper primary
Sound energy Sound is a form of energy that enables us to hear. It is caused by vibration of objects Properties of sound Pitch is ... Read More
Electric energy -upper primary
Electricity This is a form of energy that is produced by moving electrons or electrical charges. There are two types of charges; positive charges and ... Read More
Light energy – upper primary
Light It is a form of energy that enables us to see. Other uses of light It is used by plants for photosynthesis It is ... Read More
Heat energy – upper primary
Heat energy This is a form of energy that flows from one point to another due to temperature differences. Temperature a physical property of matter ... Read More
Energy(introduction) – Upper primary
ENERGY Energy is the ability to do work. It is measured in joules Work is a product of force and distance Work = force x ... Read More
Weather and weather instruments
WEATHER Weather is the atmospheric condition of a place at a given time over a short period of time. The study of weather is called ... Read More
Animal-husbandry
Domestic animals The animals that are kept at home are called domestic animals. Domestic animals include pets and livestock. Pets include cats, dogs and pigeons. ... Read More