FREE NCERT MATERIAL

ANIMAL TISSUES

The contraction and relaxation of these cells result in movement. Blood flows and carries various substances from one part of the body to the other.

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ATOMS AND MOLECULES

Around 500 B.C., Indian philosopher Maharishi Kanad, postulated the theory if we go on dividing matter (padarth), we will obtain the smallest particle beyond which

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Carbon and its Compounds

Compounds are of two types:(i) Organic Compounds(ii) Inorganic Compounds Organic Compounds are made up of Carbons and form the basis of all living organisms. THE

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Coal and Petroleum

Natural Resources Resources include everything provided by the nature. They form the wealth of a country. Types of Natural Resources: (i) Inexhaustible: There are some

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COMBUSTION AND FLAME

Combustion is a chemical process in which a substance reacts with oxygen to give off heat. The substance that undergoes combustion is said to be

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