GCSE Osmosis Notes

I’ve made some quick notes that you can use to help understand Osmosis better! I’ve broken it down so it’s aesthetic, simple & easier to understand. I hope it helps!

Note this may not be everything you need to know for your exam- I try to cover the fundementals of the topic. You will need to check your specification/ syllabus to see if you do/ do not need to learn the information in my resources.

Points covered:

• State that water diffuses through partially permeable membranes by osmosis
• State that water moves into and out of cells by osmosis through the cell membrane
• Investigate and describe the effects on plant tissues of immersing them in solutions of different concentrations
• Describe osmosis as the net movement of water molecules from a region of higher water potential (dilute solution) to a region of lower water potential (concentrated solution), through a partially permeable membrane
• Explain the effects on plant cells of immersing them in solutions of different concentrations by using the terms: turgid, turgor pressure, plasmolysis, flaccid
• Explain the importance of water potential and osmosis in the uptake and loss of water by organisms

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