Osmosis

Direct observation of osmosis at a cellular level allows teachers to introduce essential vocabulary to describe the effects on plant and animal tissue of solutions with different osmotic potential.

Experiments

• Observing osmosis, plasmolysis and turgor in plant cells
  A simple experiment to look at osmosis in plant cells as the concentration of solutes in the surrounding fluid changes.
• Investigating osmosis in chickens’ eggs
  A simple procedure to observe and measure the effect of osmosis in eggs.
• Investigating the effect of concentration of blackcurrant squash on osmosis in chipped potatoes
  A simple investigation of the effect of a range of concentrations of sugar on osmosis in chipped potatoes.