What is a Variable?

Journal Article | January 2022

COVID-19 Connections

Journal Article | August 2020

Seasonal Weather Patterns

Journal Article | January 2019

Freebies for Science Teachers, September 14, 2021

Reports Article | September 2021

Freebies for Science Teachers, December 7, 2021

Reports Article | December 2021

Freebies and Opportunities for Science and STEM Teachers, June 20, 2023

Reports Article | June 2023

Freebies and Opportunities for Science and STEM Teachers, August 1, 2023

Reports Article | July 2023

Force and Motion Ideas

Lesson Plan | June 2021

The purpose of this assessment probe is to comprehensively elicit students’ ideas about the relationship between force and motion. The list of possible answers includes several distracters that are based on learning…

Freebies for Science Teachers, Week of August 7

Reports Article | August 2020

Freebies and Opportunities for Science and STEM Teachers, March 19, 2024

Reports Article | March 2024

Freebies and Opportunities for Science and STEM Teachers, September 27, 2022

Reports Article | September 2022

Ice-Cold Lemonade

Lesson Plan | June 2021

The purpose of this assessment probe is to elicit students’ ideas about transfer of energy. The probe is designed to determine whether students recognize that heat flows from warmer objects or areas to cooler ones.

Cycles in Motion: Visualizing Change With Spatial Thinking

Blog Post | November 2025

More than a Game

Journal Article | February 2019

Computer simulations have become essential to scientific investigation and engineering design, thanks to advances in mathematical modeling, game theory, and computing technology. Simulations now provide an indispensable…

Picture This

Journal Article | March 2020