INDEPENDENT VARIABLE: Several liquids of differing densities in different jars.

Corn Oil

Honey

Alcohol

DEPENDENT VARIABLE: The level the objects float in the jar of liquids.

BACKGROUND INFORMATION:

How can huge ocean liners and barges float when their outsides are made of steel? How can you figure out whether a metal is made of pure gold or not? People are always wondering about these things. That will all be defined in this essay.

The theory of buoyancy was first described around two-hundred B.C. by a mathematician named Archimedes. Archimedes was born in two-hundred and eighty-seven B.C. in Syracuse in Sicily. A king had asked Archimedes to determine whether his crown was made of pure gold or whether any silver had been used. Archimedes could not think of a...