A | B |

meter | standard unit of length in the metric system |

mass | the amount of matter ("stuff") in an object or substance |

volume | the amount of space an object or matter occupies |

centi- | metric prefix for 1/100 ( .01 or one one-hundredth) |

milli- | metric prefix meaning 1/1000 (.001 or one one-thousandth) |

kilo- | metric prefix meaning 1000 |

gram | base unit of mass in the metric system |

liter | base unit of volume in the metric system |

centimeter (cm) | convenient metric unit to measure the length of a textbook |

milliliter (ml) | 1/1000 of a liter, metric unit used in measuring liquid medicines or in recipes |

milligram (mg) | 1/1000 of a gram, unit used in measuring amount of solid medicine in pills |

kilometer | metric unit similar to a mile |

balance | tool used to measure MASS |

graduated cylinder (graduate) | tool used to measure liquid volume |

kilogram | historically the standard unit of metric mass , equal to 1000 grams |

meter | standard metric unit of length , about 39 inches (slightly longer than a US yard) |

meniscus | the curved line formed by water in a graduated cylinder --- always read at the bottom of the curve |