Biology Lab Report: Osmosis in Potato Strips
Aim: To investigate osmosis in potato strips.
Definition of Osmosis: Osmosis is the movement of water molecules from a region of higher water
concentration to a region of lower water concentration through a partially permeable membrane.
Results Summary: Potato in fresh water increased in length and became firm/tough. Potato in salt
water decreased in length and became soft.
Conclusion: Water moved into the potato in fresh water and out of the potato in salt water due to
osmosis.
Limitation: Only one sample per condition was used.
Source of Error: Inaccurate ruler measurements.
Precautions: Ensure equal strip sizes, accurate timing, and proper measurement.