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!
Public Understanding
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?
Quantum Levitation and Superconductors
Tom Kuntzleman | Thu, 06/03/2021 - 13:21
Some explorations and explanations regarding superconductors and the quantum levitation (also known as quantum locking) experiment.
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!
Colorful Copper Chemistry around the Campfire
Tom Kuntzleman | Tue, 07/28/2020 - 13:09
Learn how to form a blue-green copper compound on a penny, and then use that compound to make green flames. This is a great summer time activity for your next campfire!
Demonstrating the Effectiveness of Mask-wearing with Liquid Nitrogen
Tom Kuntzleman | Sun, 06/28/2020 - 09:06
Liquid nitrogen is used to visualize the aerosol particles emitted while speaking, coughing, breathing, and sneezing. The ability of various masks to block these droplets was also tested.
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!
Chemical Tests on Coins
Tom Kuntzleman | Mon, 09/16/2019 - 20:07
Simple chemical tests are described that can indicate the presence of certain metals in coins. A wide variety of chemical concepts are involved. The experiments described are a natural fit for the 2019 National Chemistry Week theme of "Marvelous Metals!"
Marvelous Interactions between Metallic Money and Magnets
Tom Kuntzleman | Wed, 09/04/2019 - 20:00
This post describes some simple experiments using various coins and neodymium magnets that connect to the 2019 National Chemistry Week theme of Marvelous Metals!