Students observe what happens to blood added to salt solutions of different concentrations. This is done in test tubes, although it may also be possible to observe what happens under a microscope. The students record their observations and attempt to explain what has happened to the red blood cells. They then answer some questions on the implications of what they have observed.
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|Subject(s)||Science, Biology, Practical work, Techniques and procedures, Enquiries and investigations|
|Published||2010 to date|