This experiment demonstrates how chemical energy can be converted ... going from lemon to lemon Watch how to set up your lemon battery step by step. Pay attention to how the copper wire and zinc nails ...

There are a whole bunch of high school science experiments out there that are useful for teaching students the basics of biology, physics, and chemistry. One of the classics is the lemon battery.

Seriously, though, this demo made us question a few assumptions. First, when people do the potato- or lemon-battery experiment, they often use multiple lemons. Why? Hooking the pins up like ...

Fruit-powered batteries are the ultimate school science experiment, but they’re normally ... difficult to get off the ground, it seems a lemon battery might just fail the acid test.