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# chapter 1

Question | Answer |
---|---|

science | the study of the natural world |

observing | means using one or more scenes to gather information |

inferring | making a inference |

predicting | making a forecast of what will happen in the future based on past experience or evidence |

chemistry | the study of properties of matter and how matter changes |

physics | the study of matter,energy,motion,and forces and how they interact |

scientific inquiry | refers to the different ways scientist study the natural world |

hypothesis | a possible answer to a scientific question or explanation for a set of observation |

parameter | a factor that can be measured in an experiment |

manipulated variable | variables that can change on purpose |

responding variable | is something that the experimenter purposely changes or varies over the course of the investigation. |

controlled experiment | a test where the person conducting the test only changes one variable at a time in order to isolate the results. |

data | “facts or pieces of information” |

communicating | share or exchange information, news, or ideas. |

model | physical mental visual and other representation of an idea to help people to understand a concept that they do not understand correctly |

scientific theory | a well tested explanation for a wide range of observation or experimental results. |

scientific law | is a statement that describes what scientist expect to happen every time under a particular set of conditions. |

si | for the french systeme international d'unites. |

weight | is a measure of the force of gravity on you |

mass | is a measure of the amount of matter on an object contains. |

volume | is the amount of space on an object's takes up. |

menicies | a cylinder curve |

destiny | is a mass per unit volume |

celsius scale | the temperature scale on which water freezes at 0 degrees and boils at 100 degrees |

kelvin scale | the temperature scale on which 0 is the temperature at which no more energy can be removed |

absolute zero | the temperature at which no more energy can be removed from matter |

estimate | an approximation of a number based on reasonable assumptions |

accuracy | how close a measurement is to the true or accepted value |

reproducibility | how close a group of measurements are to each other |

scientific figures | all the digits in a measurements that have measured exactly plus one digits whose value has been estimated |

precian | how close a group of measurements are to each other |

graph | a picture of information from data table;shows the relationship between variables |

horizontal axis | a line that runs left to right along the bottom of the graph on which the manipulated variable or independent variable is labeled |

origin | the (0,0) point on a line graph;where the x-axis and y-axis cross on a graph |

coordinate | a pair of numbers used to determine the position of a point on a graph |

data port | a point on a graph showing the location of a piece of data |

line of best fit | a smooth line that reflects the general patterns in a line graph |

linear graph | a line graph in which the data point yield a straight line |

Created by:
BAELOVER