online notes

SS1 Biology Third Term: Energy Transformation In Nature

Introduction  The transformations of energy in an ecosystem begin first with the input of energy from the sun. Energy from the sun is captured by the process of photosynthesis. Carbon dioxide is combined with hydrogen (derived from the splitting of water molecules) to produce carbohydrates (CHO). Energy is stored in the high energy bonds of

SS1 Biology Third Term: Energy Transformation In Nature Read More »

SS1 Geography Third Term: States In Nigeria

Introduction Population in Nigeria increased from 1990 to 2008 by 57 million, 60% growth rate. Nigeria is the most populous country in Africa and accounts for about 18% of the continent’s total population, however, exactly how populous is a subject of speculation. The United Nations estimates that the population in 2009 was at 154,729,000, distributed

SS1 Geography Third Term: States In Nigeria Read More »

SS1 Biology Third Term: Reproduction

Reproduction Reproduction is defined as the ability of living organisms to give rise to new individuals of the same species. The purpose of reproduction is to ensure the continuity of life. Sexual Reproduction  Sexual reproduction involving the fusion of female gamete (ovum) and male gamete (spermatozoon), which forms a zygote that potentially develops into genetically

SS1 Biology Third Term: Reproduction Read More »

JSS2 Basic Science Third Term: Elements, Compounds And Mixtures

Introduction In our environment, we see iron nails, sulphur roll, copper wire, aluminium sheets, etc. we also breathe in oxygen (air) to stay alive. These substances: iron, sulphur, copper and oxygen, are referred to as elements. Elements Elements are substances that cannot be separated into simpler substances. Any substance that contains only one kind of

JSS2 Basic Science Third Term: Elements, Compounds And Mixtures Read More »

JSS2 Physical Health Education Third Term: 4 Mile Team Race at Olympics

Four  Mile Team Race at Olympics Held only on a single occasion at the Olympics, the 4 Mile Team Race is now an obsolete track and field event. The closely contested event was one of the main attractions of the 3rd edition of the Modern Olympics. Scoring Structure The 4 Mile Team Race had a

JSS2 Physical Health Education Third Term: 4 Mile Team Race at Olympics Read More »

SS1 Commerce Second Term: Characteristics, Advantages and Disadvantages of each Type of Large Scale Retailer

Large Scale Retailing Large scale retail trade has a large scale of operation; the retailers achieve their growth by increasing the physical size of their units to cater for more customers. Examples of large scale retail trade are: Chain or Multiple Store This is a chain of similar shops with identical store design, layout and

SS1 Commerce Second Term: Characteristics, Advantages and Disadvantages of each Type of Large Scale Retailer Read More »

Scroll to Top