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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

📊 Create properly formatted results tables for your science experiments in seconds. This free tool generates Excel files with automatic Mean, Standard Deviation and Standard Error formulae — ready to paste straight into Google Sheets. Perfect for GCSE, A-Level, IB and AP science students working on coursework, lab reports and Internal Assessments (IAs). Any scientific investigation that needs a properly formatted data table Ideal for:IB Biology, Chemistry & Physics Internal AssessmentsA-Level p