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.
In this Activity, students build models of polarized water molecules using K’nex toy components and adhesive Velcro.
In this Activity, students test whether cans of carbonated beverages sink or float in water and then determine whether caffei
In this Activity, students investigate microwave popcorn, the process of microwave-promoted popping, and the materials involv