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!
Physics
Seawater Chemistry and Global Trade- Part 2
Scott Donnelly | Mon, 06/06/2022 - 20:07
This is the second blog post describing a classroom activity relating seawater chemistry to oceanic shipping. Included are questions that challenge students to apply conclusions drawn from observations to making predictions.
Exploring The “Two-Faced” Thionin Reaction
Tom Kuntzleman | Tue, 04/19/2022 - 11:44
The "Two-Faced" thionin reaction involves causing a purple solution to fade to colorless by shining light on the solution. I wondered if it could be demonstrated the color of light that caused this transition.
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.
Skype with a Scientist Live
Stephanie O'Brien | Thu, 04/08/2021 - 09:31
This year so many in-person events at school have not been able to happen due to COVID restrictions. One activity that the author's science honor society students have enjoyed greatly is the Skype with a Scientist Live sessions. Students register in advance and then have the opportunity to be face to face with a scientist.
Polypropylene and the Cold Snap
Dean Campbell | Sat, 02/20/2021 - 10:43
Cold weather brings about the opportunity to demonstrate glass transition temperatures of polypropylene containers.
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!
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.
Chemistry Experiments with the Flame Tube
Tom Kuntzleman | Tue, 05/26/2020 - 12:37
The Ruben's Tube (also known as a Flame Tube) is a classic experiment used in physics classes. There's also a bit of chemistry to be learned while experimenting with a Ruben's Tube...
Stamp of the Week #2
Michael Morgan | Thu, 04/16/2020 - 16:30
Germany issued a pair of stamps that honor two fundamentally huge accomplishments in science in 1994. The Quantum Theory and Ohm’s Law. They were really well designed stamps and very accurate in their science.