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Complexity level:
8
Project cost ($):
30
Time required:
1 hour to prepare, 1 hour for experiment
Material availability:
May be purchased from a hobby store, or alternatively obtained from a school science laboratory
Safety concerns:

1. Use only batteries. NEVER connect to a mains supply.
2. Conduct the experiment under supervision of a qualified person (science teacher). Flammable gasses may be released.
3. Electrolysis of sea water may produce chlorine gas. Take necessary precaution. Ensure that the experiment is conducted in a well-ventilated laboratory