From the Field: Events and Opportunities, February 23, 2021

Reports Article | February 2021

Freebies for Science Teachers, August 3, 2021

Reports Article | July 2021

Freebies for Science and STEM Teachers/From the Field, April 19, 2022

Reports Article | April 2022

From the Field: Freebies and Opportunities for Science and STEM Teachers, June 28, 2022

Reports Article | June 2022

Freebies for Science Teachers, March 30, 2021

Reports Article | March 2021

Freebies for Science Teachers, January 18, 2022

Reports Article | January 2022

An Adventure in Stereochemistry

Case Study | August 2004

Avogadro Goes to Court

Case Study | August 1999

Freebies for Science Teachers, June 8, 2021

Reports Article | June 2021

Freebies for Science Teachers, July 20, 2021

Reports Article | July 2021

Nature of Science

Position Statement | June 2020

Freebies for Science Teachers, October 12, 2021

Reports Article | October 2021

Chicken Eggs

Lesson Plan | June 2021

The purpose of this assessment probe is to elicit students’ ideas about food, transformation of matter, growth and development, conservation of mass, and systems. The concepts underlying this probe are complex. It is…

Model of Air Inside a Jar

Lesson Plan | July 2021

The purpose of this assessment probe is to elicit students’ ideas about the particle model of matter. The probe is designed to find out if students recognize that air is made up of particles that are widely spaced with…