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# CH1.2 science vocab

### scince vocab

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

Scientific inquiry | Refers to the different ways scientists study the natural world |

Hypothesis | A possible answer to a scientific question or explanation |

Parameter | A factor that can be measured in an experiment |

Manipulated Variable | The variable parameter that is expected to change because of the manipulated variable |

Responding Variable | Manipulated variable is responding variable |

Controlled experiment | Investigation in which only one parameter is manipulated at a time |

Scientific theory | A well-tested explanation for a wide range of observation or experimental results |

Scientific law | A statement that describes what scientist expect to happen every time under a particular set of conditions |

Farameter | Factor that can be measured in a experiment |

Data | Facts,figures, and other evidence |

Communicating | Sharing ideas and conclusions with others through writing and speaking |

Models | A picture diagram, computer image or other representation of an object or process physical models like representation of solar system may look like the real thing |

Theories | Well tested explanation |

Law | Rule of nature |

Science | Study of the natural world |

Observing | Using one or more senses to gather information |

Inferring | Making an inference |

Predicting | Making a forecast of what will happen in the future based on the past |

SI | A system called the International System of units |

Weight | A measure of the force of gravity on you |

Mass | A measure of the amount of matter an object contains |

Volume | The amount of space an object takes up |

Meniscus | To determine the volume of the water |

Estimate | An approximation of a number based on reasonable assumption |

Accuracy | Refers to how close a measurement is to the true or actual value |

Reproducibility | Refers to how close a group of measurements are to each other |

Significant Figures | A measurement include all of the digits that have been measured exactly plus one digit whose value has been estimated |

Precision | A measure of the exactness of a measurement |

Graph | Think of the graph as a picture of the data |

Horizontal Axis | The graph line that runs left to right |

Vertical Axis | The graph that runs up and down |

Origin | The point where the two axes cross |

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

Data point | The point sowing the location of that intersection |

Line of best fit | A smooth line that reflects the general pattern of a graph |

Linear graph | A line graph in which the data points yield a straight line |

Slope | The steepness of the graph line |

Nonlinear graph | A line graph in which the data points do not fall along a straight line |

Chemistry | The study of the properties of matter and how matter changes |

Physic | The study of matter,energy,motion, and forces how they interact |

Created by:
EGuzman616935