Simple methods to prepare liquid air are described. In addition, ways to test the properties of liquid air and other liquefied gases are explored.
Improving Student Perception and Performance
The December 2017 issue of the Journal of Chemical Education is now available online to subscribers. Topics featured in this issue include: functional nanomaterials and chemical detection; improving student performance; peer-led instruction; simulations and computer-based learning; engaging and interactive instruction; synthesis laboratories; NMR spectroscopy and mass spectrometry; innovative physical chemistry investigations; ConfChem Conference on select 2016 BCCE presentations; from the archives: music and chemistry.
Density Bottles can be used to teach a variety of chemical concepts such as density, solubility, and polarity. In this post it is shown that Density Bottles can also be used to differentiate between heterogeneous and homogeneous mixtures, and to explore light scattering.
Augmented reality is a type of technology that uses an app to turn a hidden QR code into a three dimensional object on a screen as viewed by your camera. Elements 4D attempts to bring augmented reality to chemistry.
I will share how I use the Target Inquiry activity, Change You Can Believe In. I have realized that I need to include particulate models within the assessments after the lab to fully evaluate my student's conceptual understanding.
You probably know what happens when you place dry ice in water. Do you know what happens when dry ice is placed in acetone or glycerin? Read this and find out!
The purpose of a lab practicum is to assess a student’s understanding of the content by completing a hands-on challenge. These assessments focus more on problem-solving skills than technique.
This exercise is intended as an ice-breaker for a first or second class meeting. It also serves as an introduction to physical & chemical properties and application of the macro/micro/symbolic representations of chemical phenomena. Finally, it also provides a framework to mention many of the topics to be covered in a general chem first semester course.
The August 2016 issue of the Journal of Chemical Education is now available online to subscribers. Topics featured in this issue include: blue bottle reaction revisited; precollege professional development; chemical education research on intermolecular interactions and bonding; integrated courses; activities involving kinetics, enzymes, and gases; nanomaterial & polymer laboratories; organic synthesis; NMR teaching resources; book recommendations for summer reading.
Educational Opportunities and Challenges
The November 2015 issue of the Journal of Chemical Education is now available online to subscribers. Topics featured in this issue include: materials science; polymer chemistry activities; green chemistry; biochemistry in the laboratory; research on student attitudes and the transition from high school to college chemistry; assessment; computer-based learning and computations; from the archives: chemistry YouTube videos.