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YouThinkICare?
Well, I don't.
| Question | Answer |
|---|---|
| chemical energy | the energy stored in chemical compounds |
| chemical reaction | a process in which substances change into new substances with different properties |
| electrochemical cell | a device that transforms chemical energy into electrical energy |
| electrode | a metal part of an electrochemical cell, which gains or loses electrons |
| electrolyte | a liquid or paste that conducts electric current |
| terminal | a convenient attachment point used to connect a cell or battery to a circuit |
| battery | a combination of two or more electrochemical cells in series |
| wet cell | an electrochemical cell in which the electrolyte is a liquid |
| dry cell | an electrochemical cell in which the electrolyte is a paste |
| Ohm's law | the law that states that resistance is equal to voltage divided by current |
| series circuit | an electric circuit with a single path |
| ammeter | a device used to measure current in a circuit |
| parallel circuit | an electric circuit with multiple paths |
| voltmeter | a device used to measure voltage, or electrical potential energy difference |
| power | the rate at which one form of energy is transformed into another; the unit of power is the watt |
| short circuit | a connection that allows current to take an unintended path |
| grounded | allowing charges to flow directly from the circuit into Earth in the event of a short circuit |
| third prong | the round prong of a plug that connects any metal pieces in an appliance to the safety grounding wire of a building |
| fuse | a safety device with a thin metal strip that will melt if too much current passes through a circuit |
| circuit breaker | a reusable safety switch that breaks the circuit when the current becomes too high |
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