Recapturing, Magnitude and Unit, Fundamental and Derived quantities.
Measurement of density of different materials. Measurement of very very long distances.
Defining elements and compounds. Different type of Elements and compounds.
Representation of elements. Writing chemical formulae using symbols. Defining and calculating Atomicity. Effect of temperature on solid, liquid and gas
Different atomic model over the years. Atomic models of Dalton, Thomson, Rutherford, and Schrodinger. Properties of subatomic particles.
Electron, Proton, and Neutrons. Atomic mass and atomic number as differentiating parameter for atoms. Valency: how many one type of atom react with other type.
Recapturing points from previous class. Learning different parts of flower and their function.
Sexual Reproduction: Pollination and Fertilization. Asexual Reproduction: Vegetative Propagation, Budding, Fragmentation, Spore Formation
Roots for food storage, mechanical support, gas exchange, and nutrient absorption. Modification in leaf for support, water preservation, and trapping insects
Modification of aerial stem for photosynthesis. Sub Aerial modification in stem: Stolon, Runner, offset, sucker. Underground modification of stem: Rhizome, Corm, Tuber, Bulb.
What is temperature? Different scales and unit of temperature measurement.
Design of thermometer. Clinical, Laboratory, and Digital thermometer: usage and precautions.
Charge Transfer and Electric Current. Measurement of Electric Current, Potential Difference
Electric conductivity and resistivity, Electric Switch, Electric Circuit, Conductors and Insulators
Source of electric current - Cell and Battery. Heating, Magnetic, and Chemical Effect of electric current.
Heat and state of matter. Properties of physical change, Melting, Condensation, Vapourazation, Evaporation, Freezing, crystallization , Sublimation
Rusting, Burning, Curdling, fermentation, Baking soda + Lemon, Requirement and indicators of chemical change , Endothermic and exothermic, Periodic and non periodic
Cell as fundamental unit of organism. Unicellular and multicellular organism, Tissue, organ and organ system, Special cells and their functions
Why do we need classification? Classification of animals based on presence of vertebral column and relationship with other organisms.
Classification of plants into algae, bryophyta, pteridophyta, gymnosperm, and angiosperm. 5 kingdom classification of living beings and its merits and demerits.
Natural and artificial sources of light. Different type of beam of light. Pin hole camera. Transparency, translucency, and opacity. Shadows and properties
Laws of reflection. Types of reflection. Design of periscope. Plane mirror and reflection
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