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# Science ch8

### BC Science 9 chapter 8 Vocab

Term | Definition |
---|---|

amperes | unit for measuring electric current |

circuit diagrams | a drawing using symbols to represent the different components of a circuit |

electric circuit | a complete pathway that lets electricity to flow |

electric current | the amount of charge passing a point in a conductor every second |

electric load | any device that transforms electricity into other energy |

electric potential energy | electric energy stored in a battery |

electrical resistance | ratio of change in electrical energy |

electrochemical cells | electrodes in electrolytes that convert chemical energy into batteries |

electrodes | two terminals in a battery or other electricity source |

electrolyte | substance that conducts on electrical current |

energy | the ability to do work |

ohm | the unit of measurement for electrical resistance |

Ohmâ€™s law | the mathematical relationship comparing voltage, current, and resistance |

potential difference | the amount of electric potential energy per one coulomb of charge at one point in a circuit compared to the potential energy per coulomb of charge at another point in the circuit |

resistance | the property of any material that allows that slows down the flow of electrons |

resistor | an electrical component with a set amount of resistance that slows down curent |

volt | the unit of potential difference |

voltage | the amount of electric potential energy per one coulomb of charge at one point in a circuit compared to the potential energy per coulomb of charge at another point in the circuit |