Digital microscopes – investigating plasmolysis in red onion cells

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Presentation transcript:

Digital microscopes – investigating plasmolysis in red onion cells

This practical work should: Support deeper pupil understanding of Support deeper pupil understanding of Cellular basis of living organisms Structure of plant cells Osmosis Generate data to allow pupils to explain plasmolysis Allow exploration of planning and experimental design Develop numeracy skills

Investigating plasmolysis in red onion cells National 4 & 5 Investigating plasmolysis in red onion cells Slide and coverslip Blu-tack Scalpel Pointed forceps Rock salt crystals Distilled water 1cm3 pipettes Red onion Veho digital microscope/magnifier

Start microscope Connect microscope to PC USB port Connect microscope to PC USB port Click icon on desktop Choose area Focus the microscope

Investigate examples of osmosis….. Water balance in animals and plants Foods Desalination - drinking water from salt water (reverse osmosis)