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Biology practical demo - How do nettles sting?

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Published on Sep 12, 2013

This demo from Science and Plants for Schools demonstrates a quick and easy plant practical for your biology lab.

Using Universal Indicator paper, students investigate the pH of nettle stings.

This can easily be built up into a broader investigation, or used as a quick practical to introduce the topics of plant defences, adaptations and specialised cells.

Download the full student sheet and teacher's and technical notes free from the SAPS website:
http://www.saps.org.uk/secondary/teac...

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