Uploaded February 2026 | Updated September 2026, 22 hours ago
Find your 9s with PLUS. Click the link to try for free freesciencelessons.co.uk/modules/gcse-biology-1-triple
Teachers, to get PLUS for your school, email schools@freesciencelessons.co.uk
In this video, we look at the required practical investigating the effects of osmosis on plant tissue. I take you through the stages and how to calculate percentage change. I then show you the expected results and discuss what they mean.
This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Biology. Please consult your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.
Image credits:
Potatoes By Dinkum (Own work) [CC0], via Wikimedia Commons
Cork borer Public Domain, commons.wikimedia.org/w/index.php?curid=71333
Scalpel By No machine-readable author provided. Spekta assumed (based on copyright claims). - No machine-readable source provided. Own work assumed (based on copyright claims)., Public Domain, commons.wikimedia.org/w/index.php?curid=1368638
Ruler By Luigi Chiesa - Photo taken by Luigi Chiesa, CC BY-SA 3.0, commons.wikimedia.org/w/index.php?curid=1137573
Cheek cells
commons.wikimedia.org/wiki/File:Cheekcells_stained.jpg
Mulletsrokk, CC BY-SA 3.0 creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons
Find your 9s with PLUS. Click the link to try for free freesciencelessons.co.uk/modules/gcse-biology-1-triple
Teachers, to get PLUS for your school, email schools@freesciencelessons.co.uk
In this video, we look at the required practical investigating the effects of osmosis on plant tissue. I take you through the stages and how to calculate percentage change. I then show you the expected results and discuss what they mean.
This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Biology. Please consult your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.
Image credits:
Potatoes By Dinkum (Own work) [CC0], via Wikimedia Commons
Cork borer Public Domain, commons.wikimedia.org/w/index.php?curid=71333
Scalpel By No machine-readable author provided. Spekta assumed (based on copyright claims). - No machine-readable source provided. Own work assumed (based on copyright claims)., Public Domain, commons.wikimedia.org/w/index.php?curid=1368638
Ruler By Luigi Chiesa - Photo taken by Luigi Chiesa, CC BY-SA 3.0, commons.wikimedia.org/w/index.php?curid=1137573
Cheek cells
commons.wikimedia.org/wiki/File:Cheekcells_stained.jpg
Mulletsrokk, CC BY-SA 3.0 creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons
