VIRTUAL BIOLOGY LAB · LAB 05
🥔 Osmosis with Potato Strips
Investigate water movement across selectively permeable membranes.
CBSE Classes 9–10Interactive practicalDrag & drop challengeStudent notebook
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🔎 Learning objective
Investigate water movement across selectively permeable membranes.
3Hands-on matches
1Knowledge check
🧬 Interactive laboratory workspace
Explore the biological idea using the model controls. This is a conceptual classroom simulation.
🥔
Osmosis with Potato Strips
Water moves from higher water potential to lower water potential through a selectively permeable membrane.
LIVE PRACTICAL · STATION 05A
Experiment not started🥔 Potato-strip osmosis investigation
Prepare equal-sized strips, immerse them in solutions and compare mass before and after soaking.
SOLUTION PREPARATION & IMMERSION
SUCROSE SOLUTION
Place a measured potato strip into the selected solution.
Incubation timer00:00Ready
Use equal-sized potato strips and keep all other conditions constant.
BALANCE · BEFORE / AFTER MEASUREMENTS
Digital balance2.00 g
Initial mass2.00 g
Final mass (model)—
Mass change—
Percentage change—
Predicted mass change by solution concentration
0%2%5%10%20%
Choose a concentration and run the trial to calculate the percentage change in mass.
Model ready. Choose a condition and run the model to see an observation.
🧪 Hands-on drag & drop challenge
PRACTICAL SKILL BUILDERDrag each item from the tray to its correct destination. On a phone or tablet, tap an item and then tap its destination. Complete all three matches to finish.
🧰 MATERIALS & CONCEPTS
🎯 DROP ZONES
Choose an item and place it in the matching zone.
📓 Observation notebook
Record your observation and export it for revision.
Key concept: Water moves from higher water potential to lower water potential through a selectively permeable membrane.
🎯 Quick knowledge check
Osmosis is the net movement of:
Select one answer to check your understanding.
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