Percent Increase and Decrease Quiz

2+ results

Percent yield stoichiometry lab: Alka-Seltzer and percent yield of CO2

Created by

This easy to follow lab experiment is intended to complement your teaching on Stoichiometry, Limiting Reagent, Excess Reagent, and Percent Yield as well as compiling and analyzing data to come to a quantitative conclusion. The lab handout includes a materials list and a simple and clear procedure. The lab activity uses only 1 chemicals easily sourced from any grocery and drug store store making it a quick, cheap and simple lab activity to setup. The detailed procedure makes it easy for students

9th - 11th

Chemistry, Earth Sciences, Other (Science)

NGSS

HS-PS1-7

, HS-PS1-2

DP Biology D.4 Continuity and Change: Ecosystems Teacher Resource Pack

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IB Source Education

Deliver powerful lessons on evolution, environmental change, and sustainability with Edspry’s ready-to-use IB Biology resource pack—designed for Theme D: Continuity and Change – Ecosystems.Aligned with the 2023 IB Diploma Biology subject guide, this pack explores the dynamic interplay between ecosystems and change, covering essential topics like natural selection, stability and change, and climate change. Built by experienced IB educators, these resources support TOK, Nature of Science, an

10th - 12th

Biology