VIII-SCIENCE & TECHNOLOGY-LESSONS TO BE TAUGHT-APRIL TO SEPTEMBER 2010

CHAPTER - I

CROP PRODUCTION AND MANAGEMENT

From 01.04.2010 to 10.04.2010

Preparation of land for cultivation-Testing of soil: minerals, nutrients, salinity,water holding capacity,conversion of harder into loosen,fertile or not,role of fertilizer,soil pollution,Supply of water: sources of water,possible methods,measures for proper distribution,right amount to 
plant Seeds:good quality,sowing methods,removal of unwanted plants,growth of plants:photosynthesis,preventing the crops/plants from diseases- measures to obtain good and healthy yield/product-seperation of yield from plants,procurement for longer duration. 

CHAPTER - II

MICROORGANISMS :FRIEND AND FOE

From 11.04.2010 to 20.04.2010

Advantages and disadvantages of micro organism-Micro-10-6 -How to view microparticles?-How fermentation takesplace?-Role of micro organism for the conversion of animal and waste plants into biofuel-Nitrogen fixing bacteria-Nitrogen cycle-Types of diseases-Causes of diseases. Identification-Remedy-Precautions. 

CHAPTER - III

SYNTHETIC FIBRES AND PLASTICS

From 21.04.2010 to 30.04.2010

Difference between natural and artificial fibre-Reason for preferring artificial fibres-Advantages and disadvantages of using artificial fibresProperties of plastics-Problems in using plastics-Meaning and explanation of bio degradable and non degradable substances 

CHAPTER - IV

MATERIALS : METALS AND NON-METALS

From 10.07.2010 to 15.07.2010

Classification of matter-Differences between conductor,insulators-Know about the properties of conductor and good/super conductors-Properties of metal-Reaction of metals/Non metals with water,acid.,etc-Formation of rusting-Measures to save metals without any wastage-Uses of metals in day today life- Noble metals. 

CHAPTER-V

COAL AND PETROLEUM

From 16.07.2010 TO 30.07.2010

Formation of Coal,Coke and Petroleum-Uses of Petroleum-Difference between exhaustible and inexhaustible-Natural resources-Advatages of using CNG 

CHAPTER-VI

COMBUSTION AND FLAME

From 01-08-2010 TO 10-08-2010

Combustion-Types of combustion-Sources of Energy-Ignition Temperatureinflammable substances-fire accidents-fire extinguisher-Energy of fuelChoosing of right fuel-Air pollution-Measures to reduce Air Pollution-Global warming-Acid Rain 

CHAPTER-VII

Conservation of Plants and Animals

From 11-08-2010 to 20-08-2010

Difference between Deforestation,Reforestation and desertificationImportance of Plants/trees-Uses of Plants-Types of animals-pet and wild life-sanctuaries and zoo-Habitation of Animals-Human activities to disturb the habitation and its effect-Red Data Book-Project Tiger 

CHAPTER-VIII

Cell Structure and Its Functions

From 21-08-2010 to 30-08-2010

Structure of a cell-How to view the cell-Size and Shape of a cellDifference between Unicellular and Multi Cellular,living and Non living Organism-Functions of an organ-difference between Plant and Animal CellProkaryotic and eukaryotic cells. 

CHAPTER-IX

REPRODUCTION IN ANIMALS

From 01.09.2010 to 10.09.2010

Modes and kinds of reproduction-How reproduction takes place?-Male and female reproductive organs-test tube babies-Cloning technique.