Ppt describes role of diffusion in photosynthesis to allow Carbon dioxide to move into the leaf through the stoma. Includes a demo of diffusion using perfume sprayed into one corner of lab and class practical to observe stoma under microscope using nail varnish. Also included differentiated worksheet on diffusion.
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This is perfect for my low ability Y10 class to get over a key concept. Thanks for sharing.
Seasquirt - this is superb, as always. Working at a new school with no resources, I'm always thrilled when your name comes up on a topic. Many thanks
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