Project Idea
How chemical energy may be changed into electrical energy.; The electrical energy which caused the ringing of the bell was generated in a battery cell by a chemical action.; The simplest form of a cell of this kind, called the voltaic cell, was invented in 1800 by Alessandro Volta, a professor in an Italian [...]
Introduction: In my project I was trying to find out what battery lasts the longest. I will also try to determine if the cost of the battery has anything to do with the power it has.
Hypothesis
I think the Duracell battery will last the longest. I also [...]
Required Materials
A flashlight bulb and socket
Two “D” cell batteries or a dry cell lantern battery
About 16 inches of wire
A piece of wire about 2 inches long
A long, long spring — the spring from a inside [...]
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