Favorite Demonstration: The Laporte Selection Rule in Electronic Absorption Spectroscopy

Journal Article | October 1999

The Laporte selection rule states that electronic transitions between two gerade (g) states are forbidden; electronic transitions between two ungerade (u) states are forbidden; and electronic transitions between a…

Color Blindness (Dyschromacy)

Page | February 2020

Color Blindness (Dyschromacy) Color “blindness” is more correctly known as color “deficiency” or dyschromacy. It is the inability to see or identify certain colors of the visible light spectrum. Approximately 8% of the population have color difficulties (estimates range from 4-12%). This means that…

Eye Protection and Safer Practices FAQ

Page | February 2020

Eye Protection and Safer Practices FAQ What is My Obligation? Science teachers are obligated to provide students with the safest and most appropriate eye protection for the task that they are being asked to perform. School boards as the employer are required to purchase and teachers as employees to…

A Problem-Solving Experiment

Journal Article | January 2022

Coordinating Modeling With Content Representations to Support Students’ Three-Dimensional Learning

Journal Article | November 2022

Q: How Does the Sun’s Heat Get To Us Here on Earth?

Journal Article | January 2023

Look, It’s Changing!

Journal Article | August 2020

Castles in the Sky

Journal Article | March 2023

Science in the News

Journal Article | July 2023

Refraction

Journal Article | February 2020

Debunking Myths of Standards-Based Grading

Journal Article | September 2022

Remote Labs 2.0 to the Rescue

Journal Article | June 2021

Panels v. Trees

Journal Article | July 2022

Refraction

Journal Article | March 2019

Exploring light as it moves from one medium to another with the intriguing result of different speeds—the bending of light we call refraction.