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Grade 6 Batteries
Vocabulary words for Ch 3 Sec 4 - Batteries
Question | Answer |
---|---|
chemical energy | energy that is stored in chemical compounds |
chemical reaction | a process in which substances change into new substances with different properties |
electrochemical cell | a device that converts chemical energy into electrical energy |
electrodes | two different metals, such as copper and zinc, in a battery that will connect to wires in a circuit |
electrolyte | the liquid or paste in a battery that conducts electricity |
terminal | the part of the electrode that is above the suface of the electrolyte in a battery |
battery | a combination of two or more electrochemical cells in a series |
wet cell | an electrochemical cell in which the electrolyte in a liquid |
dry cell | an electrochemical cell in which the electrolyte is not really dry, but a paste |
rechargeable battery | a battery with products that can be used again and again |
reactant | the materials used to start a chemical reaction |
product | the result of a chemical reaction |
Kilowatt | a unit of power (watt) |