Search
  • Organic Chemistry

    Organic Chemistry

    Dec 10, 2010
  • Modern chemistry

    Modern chemistry is the study of the building blocks of matter and the fundamental units of chemistry are elements. There are  about 90 naturally occurring elements.

    Dec 10, 2010
  • Chemical Reactions

    Chemical reactions occur all the time - when fuels are burnt, in the industrial extraction of metals from their ores, and in many natural life processes.

    Dec 10, 2010
  • Chemical Groups

    The broad classifications of the elements is metals and non-metals.

    Dec 10, 2010
  • Chemical Bonds

    Although there are only 112 known elements, there are millions of chemical substances found in nature or made artificially.

    Dec 10, 2010
  • Atomic Structure

    Atoms are the smallest particle of an element that can exist, and can be regarded as the building blocks of everything. Atoms can  combine to form molecules.

    Dec 10, 2010
  • Biology: The Science of Life

    The aim of biology is to explain the living world in terms of scientific principles. Aristotle, the great Greek philosopher and teacher, is known as the father of biology and the French naturalist, Jean Baptiste-de Lamarck, was the first to used the word  ‘biology’ in 1800.

    Dec 10, 2010
  • The Heart

    Its average weight is about 340 grams in men and 255 grams in women. The left half and the right half of the heart is divided by a wall called septum. Each half, in turn, is divided into an upper chamber called the auricle and a lower chamber called the ventricle.

    Dec 10, 2010
  • The Cell: Foundation Of All Living Things

    Cells are the basic units of life. They are the smallest parts of a living organism that can lead an independent existence. Singly, or in association with other cells, they make up the bodies of all living things.

    Dec 10, 2010
  • Food

    Food

    Dec 10, 2010
  • Evolution: The Theory Of Evolution

    The French biologist Lamarck proposed, in 1809, a hypothesis to account for the mechanism of evolution, based on two conditions: the use and disuse of parts, and the inheritance of acquired characteristics.

    Dec 10, 2010
  • Composition of the blood

    Blood consists of a faintly yellow fluid, the plasma or liquor sanguinis, in which are suspended numerous minute particles, the blood corpuscles, the majority of which are coloured and give the blood its red tint.

    Dec 10, 2010
  • Common Diseases

    Common Diseases

    Dec 10, 2010
  • Classification of Humans

    Linnaeus classified humans as animals. He recognised that people belonged with monkeys and apes in the taxonomic order Anthropomorpha, which he later renamed Primates.

    Dec 10, 2010
  • Bone of the Human body

    Bone of the Human body

    Dec 10, 2010