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Electricity Sec 3
| Term | Definition |
|---|---|
| stored in the bonds of atoms | Chemical energy |
| a process in which substances change into new substances with different properties. | chemical reaction |
| a device that transforms chemical energy into electrical energy. | electrochemical cell |
| two metals that exists in an electrochemical cell. | Electrodes |
| a substance that conducts electric current | electrolyte |
| The part of the electrode above the electrolyte | terminal |
| a combination of two or more electrochemical cells in a series. | battery |
| An electrochemical cell in which electrolyte is a liquid | wet cell |
| an electrochemical cell in which the electrolyte is a paste. | dry cell |
| What parts of the cell are used to connect an electrochemical cell to a circuit? | terminals |
| A device that transforms stored chemical energy into electrical energy is a(n) | electrochemical cell |
| A combination of two or more electrical cells in a circuit is called: | battery |
| The part of an electrochemical cell above the electrolyte is called | terminal |
| An electrochemical cell in which the electrolyte solution is a liquid is called | wet cell |
| an electrochemical cell in which the electrolyte is a paste is called: | dry cell |
| A process in which substances change into new substances with different properties | chemical reaction |
| True or False: Luigi Galvani built the first battery | false |
| True or False: Alessandro Volta built the first battery by layering zinc, paper soaked in salt water and silver to create two differently charged terminals | true |
| An electrochemical cell consists of two different metals called | electrodes |