The Molecular Origin of Life: Replication or Metabolism-First? Introductory Version

Case Study | May 2012

The Molecular Origin of Life: Replication or Metabolism-First? Advanced Version

Case Study | May 2012

Early Modern Human Migrations

Case Study | February 2026

Get Ready for the 2023-24 Solar Eclipse 'Double-Header'

Blog Post | August 2023

Speaking and Listening in the Science Classroom

Journal Article | March 2019

Practical advice from veteran teachers.

Freebies and Opportunities for Science and STEM Teachers, October 8, 2024

Reports Article | October 2024

Freebies and Opportunities for Science and STEM Teachers, May 6, 2025

Reports Article | May 2025

Freebies and Opportunities for Science and STEM Teachers: June 24, 2025

Reports Article | June 2025

Freebies for Science and STEM Teachers/From the Field, May 31, 2022

Reports Article | May 2022

Freebies and Opportunities for Science and STEM Teachers, June 27, 2023

Reports Article | June 2023

Ecosystem Cycles

Lesson Plan | June 2021

The purpose of this assessment probe is to elicit students’ ideas about the transfer of matter and energy in ecosystems. The probe is designed to reveal whether students recognize that only matter is cycled through an…

Socio-scientific Issues Instruction

Journal Article | November 2020

Designing Environmental Science Curriculum With PhotoVoice to Engage Nonscience Majors

Journal Article | July 2020

Freebies and Opportunities for Science and STEM Teachers, October 31, 2023

Reports Article | October 2023