Percent Increase and Decrease Quiz
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CER: Evolution - Endosymbiosis & Clades of Organisms (GSE.SB4a)
The Claims Evidence Reasoning (CER) is a guided inquiry activity that allows students to collect evidence, and explain why their evidence is important. In this CER, students will use evidence collected from the Structure and Function Activity and the Patterns in Structure and Functions Amongst Clades Graphic Organizer. Student reasoning will come from a combination of class lessons and discussion, and research. This CER allows students to explain how the structure and function between clades of
9th - 12th
Biology, Environment
NGSS
HS-LS4-1
Also included in: Evolution: Endosymbiosis & Clades of Organisms (GSE.SB4a)
PFAS: The Forever Chemicals — Gr. 9-12 | Case Study, Labs, CER, Design Challenge
Description:This is a complete, standards-aligned unit on PFAS ("forever chemicals") — one of the most urgent and teachable issues in environmental science today. Students investigate the chemistry behind PFAS persistence, analyze real EPA monitoring data, debate federal regulation, and engineer a treatment solution for a contaminated town. The unit culminates in a summative assessment modeled on AP Environmental Science FRQ format. What's Included (PDFs + Links to 3 editable Google Doc files):1
9th - 12th
Chemistry, Engineering, Environment
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