Understand semi-permeable membranes through this exploration of dialysis tubing's permeability for H+ ions, OH- ions, Starch, and Iodine.
Supports PASCO's Biology Starter Lab Station:
http://pasco.com/product/eb-6334
and Biology Extension Lab Station:
http://pasco.com/product/eb-6335
Find this activity's free student and teacher files here in PASCO's Experiment Library:
https://www.pasco.com/resources/lab-experiments/917
