Can Alkaline Water Change Body pH?
Tom Kuntzleman | Mon, 05/09/2022 - 08:13
Can Alkaline Water Change the pH of your body? We use chemistry to put this claim to the test!
pH
Solution to Chemical Mystery #19: Multi-colored Mixture
Tom Kuntzleman | Sun, 02/06/2022 - 13:22
Did you figure out how to create a multi-colored mixture? Check out the solution to Chemical Mystery #19: Multi-colored Mixture!
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.
Recreating the Mary Poppins Colored Medicine Scene with Acid-Base Indicators
Nick Thomas | Mon, 09/27/2021 - 13:21
When introducing acid-base theory, the concept of indicators and their pH color changes is usually discussed. To illustrate some color transitions to students, a classroom demonstration has been devised based on a memorable scene from Disney’s 1964 movie Mary Poppins.
Clover Color Chemistry
Tom Kuntzleman | Sat, 07/03/2021 - 16:07
Summertime means doing chemistry experiments with flowers found growing in the yard...
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.
Berries are red, berries are blue…I’ve got a berry surprise for you!
Tom Kuntzleman | Sun, 01/26/2020 - 14:03
I observe a red to blue color change when I rinse my bowl after eating frozen blueberries. Sounds like an acid-base reaction, doesn’t it? Well, read on to learn about the blueberry surprise!
The Devil's Milkshake
Tom Kuntzleman | Sat, 10/26/2019 - 19:13
The Devil's Milkshake is a simple, yet interesting chemistry experiment that fits well as a Halloween demo.
Chemical Mystery #16: A Red, White, and Blue Chemistry Trick for You!
Tom Kuntzleman | Sun, 06/09/2019 - 13:43
Watch this video and see if you can figure out how red, white, and blue colors can all be made from the same chemical solution!
Indicator Activity - Assigning Roles for Students in the Laboratory
Karen Perri | Sun, 04/07/2019 - 12:09
The author explains how she assigns roles for her students while completing laboratory work. The lab activity is designed to allow students to explore the use of indicators. It serves as an introduction to acids, bases and pH.