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.
density
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.
Seawater Chemistry and Global Trade- Huh?
Scott Donnelly | Wed, 06/01/2022 - 11:20
Maritime shipping is the backbone of global commerce and trade. How is the chemistry of seawater involved in the complex, intertwined network of international trade? Let's find out.
Densities of Red Bull Beverages: How Much Table Sugar and Artificial Sweetener Are Present?
Thomas Cox | Sun, 03/14/2021 - 22:30
Per label, 39 grams of table sugar (sucrose) are in a 12fl.oz. can of a Red Bull beverage. Visually, how much is 39 grams of anything? Check it out in this post.
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?!
Especially JCE: January 2019
Erica Jacobsen | Sun, 01/13/2019 - 18:04
Erica Jacobsen shares highlights from the January 2019 issue of the Journal of Chemical Education.
Baffling Balloons Trick with Easily Obtained Gases
Tom Kuntzleman | Tue, 09/25/2018 - 19:47
Based upon reader comments on previously published, Chemical Mystery #12, I experimented and found that this demonstration is easy to pull off with relatively inexpensive and easy to find materials.
Chemical Mystery #12: Baffling Balloons
Tom Kuntzleman | Thu, 09/20/2018 - 12:30
Can you explain what is happening in Chemical Mystery #12?
Do Bowling Balls Sink or Float in Water
Chad Husting | Mon, 09/03/2018 - 19:31
Students broke up into teams with the question, "Do bowling balls sink or float in water?".
That’s What Scientists Do!
Doug Ragan | Sun, 09/24/2017 - 21:24
As I began to prepare my labs for this upcoming year, I decided to put a bit of a twist on a previous density of a block lab I had used in the past entitled the Measurement Challenge that is sold by Flinn Scientific. It can also be used to find the mass of a block given the materials density and requiring students to measure and calculate the blocks volume. My added twist resulted in great scientific discourse.