This laboratory manual has been designed for the Class IX Science practical examinations conducted by the Central Board of Secondary Education (CBSE). This book will help aspirants prepare themselves for theExperiments and Viva Voce asked in the Class IXScience Practical Examinations.
The Laboratory Manual for CBSE Class IX Science Activities, Projects and Viva Voce has been divided into 20 chapters covering the syllabi of both Term I & Term II.The chapters cover To test the presence of starch in given food sample, Preparation of true solution of common salt, sugar and alum, to prepare a mixture, a compound using iron fillings and sulphur power, to prepare a temporary mount of onion peel for study of its cells, to identify different types of plant tissues from permanent slides, draw their labeled diagram and write their identifying features, To verify the laws of reflection of sound, To determine the density of solid by using a spring balance and a measuring cylinder, to establish the relation between the loss in weight of a solid when fully immersed in tap water, To determine the velocity of a pulse propagated through a stretched string/ slinky, to verify the law of conservation of mass in a chemical reaction, to study the life cycle of a mosquito, etc.The book cum Laboratory Manual also contains Coloured Diagrams along with general introduction of laboratory work and commonly used apparatus. Also lab instructions and safety procedures have been provided in the book.
As the book cum laboratory manual covers all the experiments and viva voce, it for sure will help Class IX students prepare their best for CBSE Class IX SciencePractical Examination.
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