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Wel come. science. CELL :The Unit of Life. Cll as a besic unit of life. Robert hook was discovered cell . In year 1665 When he observe thin slice of crock under his designed microscope . World of matter. Solid , liquid & gases. solid. Solid have definite shape .
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Cll as a besic unit of life • Robert hook was discovered cell . • In year 1665 • When he observe thin slice of crock under his designed microscope .
World of matter Solid , liquid & gases
solid • Solid have definite shape . • Solid have definite mass & volume . • Solids s are rigid . • Solids areelastic . • Solid can quite strong .
LIQUID Liquids liquid have definite volume liquids do not have definite shape Liquid cannot compressed easily
Historical background • Rishi Kanad • Rishikakanadin 6th century b.c said to that every object is made up of indivisible tiney particles