The April 2024 Xchange includes highlights of recent contributions published on ChemEd X as well as some from the archives. We hope you will take a moment to check in to see what you may have missed.
Chemists Celebrate Earth Week - April 21-27, 2024This year's theme, Get a Charge out of Chemistry, celebrates batteries and their role in creating a more sustainable world. ChemEd X hosts many posts related to electrochemistry and batteries. Check out some of the highlights!
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Quick Lab on Mass vs MolesCheck out this quick stoichiometry lab that encourages students to consider the relationship between mass and moles. |
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Demonstrating the Glass Transition of Polylactic Acid with a RattlePolylactic acid (PLA)-based structures containing a small metal object can be used as rattles for demonstration of glass transition. The sound of the rattles change when they are heated above or cooled below their glass transition. |
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Chemistry and the TitanicSome metals and metal alloys undergo a transition to brittleness at cold temperature. This phenomenon likely contributed to the demise of the Titanic. |
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Colour Changes with Caffeine - Part 2This study outlines the effect on the colour of anthocyanin-containing solutions when mixed with caffeine. Given the diversity of anthocyanin structures available from other vegetables, fruits or flowers, there is great potential for series of open-ended experiments for students in classes or science clubs to investigate. |
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Register & Attend BCCE 2024!BCCE 2024 will be held at the University of Kentucky July 28 - August 1. Registration and housing are now open! Register early to receive the best rate! |
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ChemEd X Call for ContributionsChemEd X invites practitioners in the chemical education community to share their experiences, knowledge and the resources they use in their classroom and laboratory. |
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