current: An electric current is the rate of flow of electric charge past a point or region. An electric current is said to exist when there is a net flow of electric charge through a region.
Aim: to create voltage out of of a lemon
Method:
- roll the lemon out so the inside is liquidy.
- stick a piece of zinc and copper into the lemon.
- connect the lemon to a voltmeter.
- discussion: we freed up all these acidicly charged particles. By rubbing the lemon which allows the particles to create a current
- conclusion: it worked out pretty good
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