What Happened to 28 Days?

Case Study | August 2011

The Thorny Issue of the Yellow Star-Thistle

Case Study | July 2022

Two Peas in a Pod

Case Study | October 2003

Breast Cancer Risk

Case Study | October 2007

Gender Equity in Science Education

Position Statement | June 2020

The Human Body: The Appendix

Blog Post | October 2020

The Case of the Sexually Arrested Orangutans

Case Study | January 2009

Student-Driven Citizen Science

Journal Article | September 2019

Investigating marine plastic pollution

Simulating a Non-Native Invasion

Journal Article | January 2019

Freebies and Opportunities for Science and STEM Teachers, January 10, 2022

Reports Article | January 2023

Blood Suckers!

Case Study | June 2015

Can We Risk It Again?

Case Study | January 2023

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…

Renewable or Nonrenewable?

Lesson Plan | July 2021

The purpose of this assessment probe is to elicit students’ ideas about Earth’s natural resources. The probe is designed to find out if students can distinguish between renewable and nonrenewable natural resources.