Master the Osmosis Required Practical with this comprehensive AQA GCSE Biology worksheet — method, calculations, and exam questions all in one instant PDF download.

Investigating the effect of different concentrations of salt or sugar solutions on plant tissue is one of the most commonly examined required practicals in AQA GCSE Biology. This worksheet walks students through the full method, explains how to calculate percentage change in mass, and builds exam confidence with targeted analysis questions and model answers.

What's Included:

• Step-by-step method for the potato cylinder osmosis experiment
• Clear instructions for preparing different concentration solutions
• Data recording tables for mass changes and percentage calculations
• Graph plotting guidance to visualise results
• Key variables: independent, dependent, and control variables
• Safety guidance and equipment list
• Exam-style analysis and evaluation questions
• Full mark scheme and model answers
• Fully aligned with AQA GCSE Biology specification
• Instant PDF download — begin revising right away
• Easy-to-print format

Topics Covered:

• Osmosis — definition and key concepts
• Water potential and concentration gradients
• Calculating percentage change in mass
• Interpreting osmosis graphs and drawing conclusions
• Evaluating experimental methods and sources of error

Perfect for: GCSE Biology students in Years 10 and 11, science teachers building required practical revision lessons, and students preparing for AQA GCSE Biology exams.

Download now and go into your Biology exam feeling confident about osmosis!