National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 4

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Class : Class 4

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Subject :NSO    Class : Class 3

Which of the following objects is incorrectly paired with the materials it is made of/from?

-------- Objects -------------- Materials
ASpectacles --------- Plastic and metal
BHammer ------------ Metal and wood
CDrilling machine -- Plastic and metal
DWatch --------------- Wood and rubber


Spectacles are not made from pure glass or pure plastic it is made of fibre which contains some plastic. Hammer is made of metal and wood. Drilling machine has its sides covered with plastic and its engine is of metal and watch is not made of these so answer is D

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 3

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Class : Class 4
D D D it's D

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 6

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