DIFFERENT BRANCHES OF SCIENCE
| Branch | Concerning field |
| Aeronautics | Science of flight of airplanes. |
| Astronomy | Study of heavenly bodies. |
| Agronomy | Science dealing with crop plants. |
| Angiology | Deals with the study of blood vascular system. |
| Anthology | Study of flowers. |
| Anthropology | Study of apse and man. |
| Apiculture | Honey industry (Bee Keeping) |
| Araneology | Study of spiders. |
| Batracology | Study of frogs. |
| Biochemistry | Deals with the study of chemical reactions in relation to life activities. |
| Biotechnology | Deals with the use of micro-organnisms in commercial processes for producing fine chemicals such as drugs, vaccines, hormones, etc.on a large scale. |
| Cardiology | Study of heart. |
| Craniology | Study of skulls. |
| Cryptography | Study of secret writing. |
| Cryogenics | Study concerning with the application and uses of very low temperature. |
| Cytology | Study of cells. |
| Dermatology | Study of skin. |
| Ecology | The study of relationship between organisms and environment. |
| Entomology | Study of insects. |
| Etiology | Study of cause of disease. |
| Eugenics | Study of improvement of human race by applying laws of heredity. It is related with future generations. |
| Evolution | Deals with the study of origin of new from old. |
| Exobiology | Deals with life or possibilities of life beyond the earth. |
| Floriculture | Study of flower yielding plants. |
| Geology | Study of condition and structure of the earth. |
| Genetics | Study of heredity and variations. |
| Gerontology | Study of female reproductive organs. |
| Horticulture | Study of garden cultivation. |
| Haematology | Study of blood. |
| Herpetology | Study of liver. |
| Iconography | Teaching by pictures and models. |
| Immunology | Science which deals with the study of resistance of organisms against infection. |
| Jurisprudence | Science of law. |
| Kalology | Study of human beauty. |
| Lexicography | Compiling of dictionary. |
| Mycology | Study of fungi. |
| Myology | Study of muscles. |
| Nephrology | Study of kidneys. |
| Neurology | Study of nervous system. |
| Numismatics | Study of coins and medals. |
| Obstetrics | Branch of medicine dealing with pregnancy. |
| Oneirology | Study of dreams. |
| Ophthalmology | Study of eyes. |
| Ornithology | Study of birds. |
| Osteology | Study of bones. |
| Palaeontology | Study of fossils. |
| Philately | Stamp collecting. |
| Philology | Study of languages. |
| Phonetics | Concerning the sounds of a spoken language. |
| Physiography | Nature phenomenon. |
| Pedology | Study of soils. |
| Pathology | Study of disease causing organisms. |
| Phycology | Study of algae. |
| Physiology | Science dealing with the study of functions of various parts of organisms. |
| Pisciculture | Study of fish. |
| Pomology | Study of fruits. |
| Seismology | Study of earthquakes. |
| Sericulture | Silk industry (culture of silk moth and pupa). |
| Serpentology | Study of snakes. |
| Telepathy | Communication between two minds at a distance with the help of emotions. |
| Taxonomy | Study of classification of organisms. |
| Virology | Study of virus. |
ELEMENTS, SYMBOLS AND ATOMIC NUMBERS
| Name | Symbol | Atomic Number | Name | Symbol | Atomic Number |
| Hydrogen | H | 1 | Iron (Ferum) | Fe | 26 |
| Helium | He | 2 | Cobalt | Co | 27 |
| Lithium | Li | 3 | Nickel | Ni | 28 |
| Beryllium | Be | 4 | Copper (Cuprum) | Cu | 29 |
| Boron | B | 5 | Zinc | Zn | 30 |
| Carbon | C | 6 | Germenium | Ge | 32 |
| Nitrogen | N | 7 | Bromine | Br | 35 |
| Oxygen | O | 8 | Krypton | Kr | 36 |
| Flourine | F | 9 | Zirconium | Zr | 40 |
| Neon | Ne | 10 | Silver | Ag | 47 |
| Sodium (Natrium) | Na | 11 | Tin (Stannum) | Sn | 50 |
| Magnesium | Mg | 12 | Antimony (Stabnium) | Sb | 51 |
| Aluminium | Al | 13 | Iodine | I | 53 |
| Silicon | Si | 14 | Barium | Ba | 56 |
| Phosphorous | P | 15 | Gold (Aurum) | Au | 79 |
| Sulphur | S | 16 | Mercury (Hydragerm) | Hg | 80 |
| Chlorine | Cl | 17 | Lead (Plumbum) | Pb | 82 |
| Argon | Ar | 18 | Bismuth | Bi | 83 |
| Potassium (Kalium) | K | 19 | Radium | Ra | 88 |
| Calcium | Ca | 20 | Thorium | Th | 90 |
| Titanium | Ti | 22 | Uranium | U | 92 |
| Vanadium | V | 23 | Plutonium | Pu | 94 |
| Chromium | Cr | 24 | Curium | Cm | 96 |
| Manganese | Mn | 25 |
COMMON AND CHEMICAL NAMES OF SOME COMPOUNDS
| Common Name | Chemical Name | Chemical Formulae |
| Dry lce | Solid Carbondioxide | CO2 |
| Slaked Lime | Calcium Hydroxide | Ca (OH)2 |
| Bleaching Powder | Calcium Oxychloride | CaOCI2 |
| Nausadar | Ammonium Chloride | NH4 CI |
| Caustic Soda | Sodium Hydroxide | NaOH |
| Rock Salt | Sodium Chloride | NaCI |
| Caustic Potash | Potassium Hydroxide | KOH |
| Potash Alum | Potassium Aluminium Sulphate | K2SO4 .AI2(SO4)3.24H2O |
| Epsom | Magnesium Sulphate | MgSO4. 7H2O |
| Quick Lime | Calcium Sulphate | CaO |
| Plaster of Paris | Calcium Sulphate | (CaSO4) 1/2 H2O |
| Gypsum | Calcium Sulphate | CaSO4.2H2O |
| Green Vitriol | Ferrous Sulphate | FeSO4.7H2O |
| Mohr’s Salt | Ammonium Ferrous Sulphate | FeSO4 (NH4)2SO4.6H2O |
| Blue Vitriol | Copper Sulphate | CuSO4.5H2O |
| White Vitriol | Zinc Sulphate | ZnSO4..7H2O |
| Marsh Gas | Methane | CH4 |
| Vinegar | Acetic Acid | CH3COOH |
| Potash Ash | Potassium Carbonate | K2CO3 |
| Hypo | Sodium Thiosulphate | Na2S2O3.5H2O |
| Baking Powder | Sodium Bicarbonate | NaHCO3 |
| Washing Soda | Sodium Carbonate | Na2CO3.10H2O |
| Magnesia | Magnesium Oxide | MgO |
| Chalk (Marble) | Calcium Carbonate | CaCO3 |
| Lunar Caustic | Silver Nitrate | AgNO3 |
| Laughing Gas | Nitrous Oxide | N2O |
| Chloroform | Tricholoro Methane | CHCI3 |
| Vermelium | Mercuric Sulphide | HgS |
| Borax | Borax | Na2B4O7.10H2O |
| Alcohol | Ethyl Alcohol | C2H5OH |
| Sugar | Sucrose | C12H22O11 |
| Heavy Water | Duterium Oxide | D2O |
| Globar’s Salt | Sodium Sulphate | Na2SO4.10H2O |
| T.N.T. | Tri Nitrotoluene | C5H2CH3(NO2)3 |
| Calomel | Mercurous Chloride | Hgci |
| Sand | Silicon Oxide | SiO2 |
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