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SAFER SCI: Be Protected!

Ken Roy | Fri, 08/04/2017 - 14:03

As we all know, research and general educational practice clearly indicates that students learn science best by doing it – not just reading about it. Hands-on, process and inquiry based science is the key to understanding science. Unfortunately, this is a double edged sword for science teachers in that doing science has its potential hazards and resulting risks. Science laboratories, classrooms and field work sites can be unsafe places to teach and learn. If a student gets hurt while doing an activity in the lab, in the field or even at home if it was a teacher’s assignment, there is potential shared liability for both the teacher and the school. 

Summer Reading/Book Review: Four Laws That Drive The Universe, by Peter Atkins

Lowell Thomson | Mon, 07/31/2017 - 14:49

In a previous blog post, I shared a book Chemistry: A Very Short Introduction, by Dr. Peter Atkins. For my summer reading I wanted to get back to reading some chemistry non-fiction. I did, however, diverge from my original plan to read Eric Scerri's The Periodic Table: It's story and significance. Instead. "Four Laws That Drive the Universe" (with an alternative title of The Laws of Thermodynamics: A Very Short Introduction) became my next book as I so thoroughly enjoyed the writing style of Peter Atkins. The Kindle Version is only $6.15 and worth every penny in my opinion.

DIY Vapor Catalyzed Chemiluminescence

Tom Kuntzleman | Tue, 07/11/2017 - 11:33

I recently watched a video in which a chemist (who goes by the nickname “NurdRage”) activated a chemiluminescent reaction by vapor deposition. I wanted to try it out for myself! Unfortunately, oxalyl chloride is toxic, corrosive, and a lachrymator. Thus, the experiment conducted by NurdRage needs to be conducted in a hood, and it is not particularly amenable to simple presentations. I began to wonder how I could create this vapor activated chemiluminescence using simple materials.

Nerdy Science Shirt Friday

Ariel Serkin | Sun, 07/09/2017 - 17:02

Over the past 30 years, numerous articles have been written about the importance of student teacher relationships. The National Education Association, NEA, offers advice for beginning teachers that includes establishing the classroom climate, conducting class efficiently, and reaching all students. When teachers effectively connect to their students, discipline problems decrease and student engagement increases.

This post was submitted for the 2017 ChemEd X Call for Contributions: Creating a Classroom Culture.

Soap Making

Heidi Park | Sat, 07/08/2017 - 11:56

Heidi Parks offers a soap-making lab or activity that can be run in a chemistry class with 25-30 students working at the same time. She usually does this activity right before spring break, as it provides enough time for the soap to harden and cure (high school students are impatient to use their soaps right away, which you should not do with cold process soap). She has used this soap making activity at different points in the curriculum: during intermolecular forces, during acids and bases, and during stoichiometry. 

Increasing Access to Stoichiometry Through Differentiated In-Class Practice

Tracy Schloemer | Tue, 07/04/2017 - 10:24

In a recent post, I shared sample quiz questions as to how I have differentiated assessment within the mole unit. Here, I share a specific multi-day sequence within the stoichiometry unit. I have written extensively about the project that drives this unit (within the following blog posts: Why consider trying project based learning?, Backwards planning your PBL unit -­ An Overview of an Entire Unit and What ARE my students actually learning during this long term project (PBL)?), but very little about specific learning tasks. Below is a two day sequence of stoichiometry practice that I set up in my classroom. Stations are set up around the room and students rotate as necessary.