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Your comprehensive guide to conquering the most challenging #3 FRQ's
Your comprehensive guide to conquering the most challenging free-response questions on the AP Environmental Science exam. This presentation provides detailed, step-by-step solutions for FRQ #3 from 2002-2025, featuring actual examples and proven strategies to boost your exam performance.
10th - 12th
Earth Sciences, Environment
Potato Osmosis Simulation Lab Worksheet | Includes Statistical Analysis
A complete IB Biology osmosis investigation worksheet using an online simulation. Students collect realistic data, identify outliers, calculate % mass change, plot graphs with error bars, and run a statistical test — all in one lesson. No lab equipment required. This 8-page worksheet guides IB Diploma Biology students through a full investigation into how NaCl concentration affects the mass of potato cylinders — using the free Teaching with Tech Osmosis Investigation simulation. Students design
10th - 12th
Biology
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