Shadow Size

Lesson Plan | June 2021

The purpose of this assessment probe is to elicit children’s ideas about how light interacts with an object to form a shadow. The probe is designed to reveal children’s ideas about the size of a shadow in relation to…

Freebies for Science Teachers, November 17, 2020

Reports Article | November 2020

Freebies and Opportunities for Science and STEM Teachers, May 21, 2024

Reports Article | May 2024

Freebies and Opportunities for Science and STEM Teachers, September 23, 2025

Reports Article | September 2025

A Model for a Data Analysis– and Literature-Intensive Undergraduate Course

Journal Article | May 2022

This article describes the use of literature to broaden students’ skills in content comprehension, data analysis, modeling, and productive scientific discussion. The design builds on existing models to maximize student…

Collaboration Through Critical Service Learning—In Search of Earth’s Secrets

Journal Article | September 2023

Undergraduate Student Conceptions of DNA and Their Understanding of Basic Science

Journal Article | April 2021

An understanding of basic science is central to student success at the university level, even for students who will never work in scientific fields. Our investigation into students’ understanding of DNA is part of a…

Making Science Personal

Journal Article | January 2021

General education college astronomy courses offer instructors both a unique audience and a unique challenge. For many students, such a course may be their first time encountering a stand-alone astronomy class, and it is…

Comparing Student Performance and Satisfaction Between Face-to-Face and Online Education of a Science Course in a Liberal Arts University

Journal Article | October 2021

This study presents a quasi-experiment to assess differences in student performance and satisfaction between two different delivery modes—online and face-to-face education. We collected data from 747 (373 face-to-face…

Broadening Equity Through Recruitment: Pre-College STEM Program Recruitment in Literature and Practice

Journal Article | November 2021

Freebies and Opportunities for Science and STEM Teachers, July 18, 2023

Reports Article | July 2023

Freebies and Opportunities for Science and STEM Teachers, November 21, 2023

Reports Article | November 2023

Freebies for Science Teachers, November 3, 2020

Reports Article | October 2020

Freebies and Opportunities for Science and STEM Teachers, October 18, 2022

Reports Article | October 2022

How our daily lives affect biodiversity

Journal Article | September 2019

Updating Perennial Classroom Favorites