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Lesson Plan |
The purpose of this assessment probe is to elicit students’ ideas about why the constellations change with the seasons. The probe is designed to find out how students use the Earth’s spin and orbit to explain why…
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'Whoosh Bottle' Demonstration: Accident Waiting to Happen (Again)
Blog Post |
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Dealing With Chemical Waste in the Science Instructional Space
Blog Post |
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Freebies for Science Teachers, Week of July 3, 2020
Reports Article |
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Freebies for Science Teachers, April 27, 2021
Reports Article |
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The Safety Checklist: Navigating to Safer Waters!
Blog Post |
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Combustion of Rocket Propellants
Playlist |
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Freebies and Opportunities for Science and STEM Teachers, March 19, 2024
Reports Article |
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Freebies and Opportunities for Science and STEM Teachers, January 21, 2025
Reports Article |
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Lab Safety and the 'Dirty Dozen'
Blog Post |
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Lesson Plan |
The purpose of this assessment probe is to elicit beginning ideas about forces. The probe is designed to reveal whether students generally identify forces as pushes and pulls.
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Lesson Plan |
The purpose of this assessment probe is to elicit students’ ideas about weather versus climate. The probe is designed to find out if students distinguish between a one-time weather-related change and a change in climate…