Celebrated annually on October 23 from 6:02 a.m. to 6:02 p.m., Mole Daycommemorates Avogadro's Number (6.02 x 1023), which is a basic measuring unit in chemistry. Find ways to celebrate this chemistry “holiday” with the links below.
Mole Day also typically falls during National Chemistry Week—an annual event that unites American Chemical Society Local Sections, businesses, schools, and individuals in communicating the importance of chemistry in everyday life.
National Mole Day Foundation is your go-to source for all things Mole Day. Jokes, history, themes, store—they’ve got it all. Don’t miss the “Fabulous Mole Projects” gallery.
- How Big Is a Mole?
Step 1: Consider a mole of cans of Spam. Step 2: Compare its weight to the weight of all the gold in the U.S. Treasury. Step 3: Make a poster about it.
- Getting Ready for Mole Day
Whip up a batch of Grandma Button’s Molasses Cookies to celebrate Mole Day. But first, can you translate the recipe?
- Chemical Quantities Activities
Just in case you wanted to dedicate part of Mole Day to, you know, learning something… Take a look at this collection of worksheets, puzzles, and labs about moles.
- Molar Whack
Chemistry meets the arcade in this online game. Whack a mole on the head—how many points can you earn? (Tip: Hit elements with the highest molar mass!)