Teacher Demo: Osmosis Across a Semi-permeable Membrane

63380940 - cell membrane, lipid bilayer, 3d illustration of a diffusion of liquid molecules through cell membrane

63380940 – cell membrane, lipid bilayer, 3d illustration of a diffusion of liquid molecules through cell membrane

Osmosis, the movement of a solvent (usually water) across a semi-permeable membrane from an area of higher solvent concentration to an area of lower solvent concentration, is key in the maintenance of homeostasis. This demo shows osmosis across a semi-permeable membrane.

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SciNews, Thursday, January 26, 2017

Do girls really read better than boys?; earwax, the self-cleaning marvel; extreme survival in deadly cold; ‘smart’ fibres curb battery fires; teens lose sleep over social media; massive ice shelf about to break off – just a few of the themes in today’s eclectic collection of SciNews.  Share these stories with your students and get them excited about science.

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