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Free, standards-aligned, and research-based inquiry curricula that address NGSS 3D proficiency. Includes Interactive scientific models plus hands-on activities, personalized guidance, and rich embedded…
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Three middle school science curricular units on the topics of genetics, ocean biodiversity & discourse, and solar ovens & design critiques. Three middle school science curricular units on the…
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Explaining phenomena associated with a system involves describing a system’s structure and articulating the process through which the system’s structure changes over time. This paper defines geo-sequential reasoning in the…