Is It Food for Plants?

Lesson Plan | August 2020

The purpose of this assessment probe is to elicit students’ ideas about the product of photosynthesis. The probe is designed to reveal (1) whether students recognize that the food a plant makes is the food it uses and (…

Unpacking the STEM Disciplines

Journal Article | January 2019

Changes in Elementary Teachers’ Conceptions About Matter

Journal Article | October 2020

While research has investigated elementary teachers’ understanding of science content, such research is often limited to topics typically not addressed in elementary school curricula. Yet, research has illustrated that…

Freebies for Science Teachers, June 8, 2021

Reports Article | June 2021

Building Bridges

Journal Article | December 2020

We describe a hands-on, collaborative activity designed to illustrate general properties of evolution, provide practice for quantitative skills, promote creativity and collaboration, and enable student self-assessment…

A Noteworthy Connection

Journal Article | September 2018

A Water Wheel Challenge!

Journal Article | January 2019

Technology, System, or Both?

Lesson Plan | August 2020

The purpose of this assessment probe is to elicit students’ ideas about technological systems. The probe is designed to determine if students are able to envision how a system is made up of parts and can do something…

An Electrical Storm on the Horizon

Case Study | October 2002

Systems Within Systems

Lesson Plan | August 2020

The purpose of this assessment probe is to elicit students’ ideas about technological systems. The probe is designed to determine the extent to which students recognize that all systems are nested within and…

Intravenous Error Precipitates Legal Problems

Case Study | August 2021