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    Freebies and Opportunities for Science and STEM Teachers, August 29, 2023 Reports Article | 
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    Freebies and Opportunities for Science and STEM Teachers, October 17, 2023 Reports Article | 
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    Lesson Plan | The purpose of this assessment probe is to elicit students’ ideas about plant growth. The probe is designed to find out whether students recognize that plants use their stored food to grow in the absence of light. 
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    Are They Talking About Climate or Weather? Lesson Plan | The purpose of this assessment probe is to elicit students’ ideas about climate. The probe is designed to find out whether students distinguish between weather and climate. 
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    Freebies and Opportunities for Science and STEM Teachers, April 9, 2024 Reports Article | 
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    Freebies and Opportunities for Science and STEM Teachers, September 20, 2022 Reports Article | 
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    Focus on Physics: How E = mc2 Helps Us Understand Nuclear Fission and Fusion Blog Post | Nuclear physics has an undeserved reputation for being tough for students. This article may reduce this “toughness” by showing how Einstein’s familiar equation E = mc2 relates to the reductions in mass and enormous… 
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    Freebies and Opportunities for Science and STEM Teachers, October 18, 2022 Reports Article | 
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    Freebies and Opportunities for Science and STEM Teachers, April 8, 2025 Reports Article | 
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    Freebies and Opportunities for Science and STEM Teachers, July 15, 2025 Reports Article | 
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    Journal Article | 
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    Lesson Plan | The purpose of this assessment probe is to elicit students’ ideas about the particle model of matter. The probe is designed to find out if students recognize that air is made up of particles that are widely spaced with… 
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