| A | B |
|---|
| chemical energy | energy stored in chemical compounds |
| Luigi Galvani | Italian doctor who hypothesized that living tissue had animal electricity |
| Alessandro Volta | Italian scientist who built first electric battery |
| chemical reaction | process where original substances change into new substances with different properties |
| Alessandro Volta | Italian scientist who hypothesized that a chemical reaction occurs tween 2 metals and salty liquid |
| electrochemical cell (EC) | device that changes chemical energy into electrical energy |
| electrodes | 2 different metals |
| electrodes | parts found in EC |
| electrolyte | substance that conducts electric current |
| electrolyte | part found in EC |
| silver & zince | examples of electrodes |
| sulfuric acid & salty water | examples of electrolytes |
| terminal | part of electrode above surface of electrolyte |
| terminal | part used to connect cell to a circuit |
| battery | a combination of 2 or more EC in a series |
| wet cell | an EC with electrolyte that is a liquid |
| car battery | example of a wet cell |
| dry cell | an EC with electrolyte that is a paste |
| flashlight battery | example of a dry cell |
| chemical reaction | interaction between electrodes & electrolyte that causes 1 electrode to be +vely charged & other to be -vely charged |
