worksheet 15



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Worksheet 5

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                     LIGHT Select and write the most appropriate alternative [A,B,C,D] from those given below each statement . 1.     The angle of reflection is the angle between A] The incident ray and the normal B] The incident ray and the reflecting surface C] The incident ray and the reflected ray D] The reflected ray and the normal 2.     The angle between the incident ray and the reflected ray is 40°.Therefore the angle of incidence is A] 40°                                                                     ...
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Work sheet 2

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                       C OAL   AND   P ETROLEUM Fill in the blanks ·       Natural gas is stored under high pressure as                        ·       Earlier, it was used in railway                           . ·                          Is also used as a fuel in various industries. ·       The slow process of conversion of dead vegetation into coal is called               ...
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Worksheet 9

             M ATERIALS : M ETALS AND N ON- M ETALS DATA   BASED   ACTIVITY : Aim of the survey : To identify and classify the materials commonly used at home into metals and non-metals.    FORMATE OF THE REPORT 1)    Aim of the survey. 2)    Introduction with purpose. 3)    Methods used for survey. 4)    Information. 5)    Interpretation of data 6)    Conclusion. 7)    Reference.
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