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    From the Field: Freebies and Opportunities for Science and STEM Teachers, June 28, 2022 Reports Article | 
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    From the Field: Freebies and Opportunities for Science and STEM Teachers, July 26, 2022 Reports Article | 
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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, April 9, 2024 Reports Article | 
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    Freebies for Science Teachers, January 4, 2022 Reports Article | 
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    From the Field: Events and Opportunities, May 18, 2021 Reports Article | 
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    Freebies for Science Teachers, November 3, 2020 Reports 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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    From the Field: Events and Opportunities, February 8, 2022 Reports Article | 
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    Freebies and Opportunities for Science and STEM Teachers, January 24, 2023 Reports Article | 
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    Freebies and Opportunities for Science and STEM Teachers, September 12, 2023 Reports Article | 
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    Freebies and Opportunities for Science and STEM Teachers, March 11, 2025 Reports Article | 
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    From the Field: Events and Opportunities, November 30, 2021 Reports Article | 
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