Gases

Balloons in sulfur hexafluoride
// Friday, September 21, 2018 Tom Kuntzleman
Well, that didn't take long. Less than 24 hours after posting Chemical Mystery #12: Baffling Balloons, Michael Farabaugh correctly explained how the experiment was conducted.
Whiteboard for Gas Laws Discussion
// Tuesday, April 17, 2018 LowellThomson
Based on some interactions here on ChemEd X and Twitter, I have been looking for ways to have students generate more questions, ideas, and investigation methods. Some of this is inspired by Argument Driven Inquiry, while some of it is simply my own quest to move further away from being the sole source of information in the class.
deflatgate football and pressure valve
// Monday, April 16, 2018 Ben Meacham
Recently, my district made a commitment to helping its teachers reflect and rethink their grading and assessment practices. One of the phrases I kept hearing throughout our staff professional development sessions was authentic assessment.
Molar Volume of Hydrogen Gas Lab
// Tuesday, October 10, 2017 mamorgan@me.com
If you read my last blog post you heard discussion of putting together a practical and useful professional development opportunity for chemistry teachers. It is a conference for teachers, by teachers.
using the document camera to project an image of the can
// Wednesday, February 22, 2017 Doug Ragan
In an effort to better understand my high school students' knowledge of what is happening during phase changes, heating curve calculations, and the ever popular can crush demo, I run them through a series of activities.