How Do Color Changing Marshmallows Work?
Tom Kuntzleman | Wed, 07/19/2023 - 12:10
With a little chemical investigation, you can figure out how Jet-Puffed's new color changing marshmallows work!
Food Science
Food Dyes as Acid-Base Indicators
Tom Kuntzleman | Sun, 11/28/2021 - 10:51
Natural food dyes are being sold online and in stores that can be used as acid-base indicators. These dyes open up a host of possibilities for at-home and in-class. For example, these food dyes can be used as indicators in the quantitative titration of the Mg(OH)2 in milk of magnesia.
Solution to Chemical Mystery #18: Peek A Boo Blue!
Tom Kuntzleman | Wed, 08/18/2021 - 09:09
Check out the solution to Chemical Mystery #18: Peek A Boo Blue!
How Does the Rainbow Candy Experiment Work?
Tom Kuntzleman | Mon, 02/08/2021 - 07:10
Have you seen the rainbow candy experiment? It's a very simple experiment that involves pouring water into a plate that has M&M's candies or Skittles arranged in a pattern. Very curious shapes of sharply divided regions form spontaneously. How does this happen?!
What Is the Pressure Inside a Bottle of Soda?
Tom Kuntzleman | Tue, 12/08/2020 - 13:01
What is the pressure inside a bottle of soda pop? Read this short article to find the surprising answer to this question, and also to learn how to do an experiment to answer this question for yourself!
Color Changing Coke and Mentos
Tom Kuntzleman | Wed, 09/02/2020 - 03:07
What's a better way to start the new school year than with some new experiments? Learn how to use a variety of color changing experiments to teach students about the Diet Coke and Mentos experiment, acids, bases, chemical and physical changes, and climate change.
Chemistry of Brewing Part I: The Malt
Jerry Godbout | Sun, 07/05/2020 - 20:10
The process of making beverages from fermented grain is a chemical synthesis slightly newer than human civilization itself. This article descibes the chemistry of the first step- malting the raw mature grain.
Berries are red, berries are blue…I’ve got a berry surprise for you!
Tom Kuntzleman | Sun, 01/26/2020 - 14:03
You may have observed a red to blue color change when you rinse your bowl after eating frozen blueberries. Sounds like an acid-base reaction, doesn’t it? Well, read on to learn about the blueberry surprise!
Charred Marshmallow Souffle
Tom Kuntzleman | Thu, 09/27/2018 - 13:51
A new event called "The Mole"was unveiled at BCCE 2018. I told the story of how one of my students discovered how to make marshmallows spark in the microwave oven.
The Chemistry of Weight Loss
Tom Kuntzleman | Tue, 04/24/2018 - 18:48
If you want to lose weight, you have to burn calories. Anyone who has gone on a diet knows this. But when someone loses weight, have you ever wondered where the lost mass goes?