Question

please tell me the preface on this project

Answer 1

I will explain the project
1) Take all the objects given in the book
2) Next dunk them in the perspective liquids
PREFACE
In this project I have been checking the densities of the objects and liquids. The observations are:
CORK
1)cork in water
2)cork in oil
3)cork in milk
4)cork in sugar solution
ALLPIN
1)allpin in water
2) Allpin in oil
3)allpin in milk
4)allpin in sugar sollution
RUBBER
1)rubber in water
2)rubber in oil
3) rubber in milk
4)rubber in sugar solution
WOOD
1)wood in water
2)wood in oil
3)wood in milk
4)wood in sugar solution
PLASTIC
1)plastic in water
2)plastic in oil
3)plastic in milk
4)plastic in sugar solution
(write your observation in beside the names)