You might remember a number, Avogadro’s number, associated with a mole—a mole always has 6.022141793… x 1023 particles of whatever. That’s an absolutely ginormous number.

Popcorn Counting Unit from AACT Students develop a new method of counting objects, called the PCU, and compare this method to the concept of the mole. Can You Color a Mole? from AACT Students ...