I want to make a model from 9th class science book. Please suggest me one.
Kindly refer to the following link :
https://www.meritnation.com/ask-answer/question/any-ideas-for-a-science-working-model-for-science-exhibition/science/6372459
https://www.meritnation.com/ask-answer/question/any-ideas-for-a-science-working-model-for-science-exhibition/science/6372459