The Floating Soap Bubble
Tom Kuntzleman | Mon, 08/21/2023 - 09:03
The floating soap bubble is an impressive experiment that is surprisingly easy to carry out.
HS-PS1-2 Chemical Reactions
Not Playing with a Full Deck: Ideas For Electron-Counting Chemical Card Games
Dean Campbell | Fri, 08/04/2023 - 14:00
Ordinary playing cards can be used in games where the cards model valence electrons in atoms. These games could provide players with a fun and active way to practice counting valence electrons in simple chemical structures.
Seashell Chemistry
Tom Kuntzleman | Thu, 06/01/2023 - 14:15
Placing dry ice in limewater is a great demonstration to accompany discussions on a variety of chemical topics, including the impact of ocean acidification on marine organisms that depend upon the formation of CaCO3.
Some chemistry related to the Ohio Train Derailment
Tom Kuntzleman | Tue, 02/28/2023 - 12:49
Diffusion of HCl(g) from concentrated solutions of HCl can be used to illustrate some chemistry related to the train accident in Ohio.
The Pumpkinator
Tom Kuntzleman | Mon, 10/17/2022 - 17:09
This Pumpkinator is a fantastic orange-to-blue-to-orange chemical reaction that will make a great addition to your Halloween-themed chemistry demonstrations.
An Important Chemistry Demonstration: The Law of Conservation of Mass
Michael Jansen | Tue, 10/11/2022 - 06:19
This demonstration lays the foundation for what science is all about: proper experiments, properly carried out, properly interpreted.
How do antacids work? Titration of an Antacid
Michael Garoutte | Wed, 10/05/2022 - 07:08
Heartburn is a very common ailment. Many people rely on antacids such as Tums®, Rolaids®, or Milk of Magnesia to settle their stomachs, but have you ever wondered how those antacids work?
The Chemistry of Lightning
Tom Kuntzleman | Tue, 09/20/2022 - 09:42
Learn a bit about the chemical reactions that occur during a lightning strike, and how you can demonstrate these reactions in your classroom.
Chemical Mystery #20: Magic Kool-Aid
Tom Kuntzleman | Mon, 07/11/2022 - 10:05
You can solve Chemical Mystery #20 if you know your chemistry...and your magic!
Effect of Temperature on the Whoosh Bottle
Tom Kuntzleman | Tue, 07/05/2022 - 13:45
Why does the "Whoosh Bottle" experiment behave differently at different temperatures?