What is each block made of?

Using the table below it is now possible for you to determine what substance makes up each block.

The densities for some common substances are:

Block I is made of:

Block II is made of:

Here are some other sites about density.

Vidya Goli, a seventh grade student, did a poster project for the Virtual Science and Mathematics Fair titled "Density of Elements"

Please continue to the next chapter on Scientific Notation.