6. Two toy blocks are made of the same material. One has a mass of 20 grams and its dimensions are 2 cm x 4 cm x 1 cm. The second block measures 4 cm x 3 cm x 2 cm. Calculate the mass of the second
block.

Answermuch larger;

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips.