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Crystal Growing

The idea of this is to grow crystals of coloured metal compounds in drops of water on glass slides, under a biological microscope. A drop of water will completely dry up and crystallize in 30 minutes, so if you start 'em 15 minutes before class, students can observe the progress of crystal growth They don't quite grow visibly, but almost: have the students check them every 2 minutes or so

Biological (transmitting) microscopes. Stereoscopic mikes are no good for this. Glass slides (high school biology labs have lots of these). In dropper bottles, saturated solutions of Copper Sulphate and Nickel Ch



Some common words found in the essay are:
Nickel Chloride, , Materials Biological, minutes start, saturated solutions, crystals grow, glass slides,
Approximate Word count = 454
Approximate Pages = 2 (250 words per page double spaced)

  

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