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# Ps 1.2, 1.3, and 1.4

### Vocab Words

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

Science | The 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. |

Chemistry | The Study of the properties of matter and how matter changes. |

Physics | The Study of matter, energy, motion, and forces and how they interact. |

Science Inquiry | Referring to the different ways the scientists study the natural world. |

Hypothesis | A possible answer to a scientific question or explanation for a set of observations. |

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

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

Responding Variable | The variable that responds to the Manipulated Variable. |

Controlled Experiment | An investigation in which only one parameter is manipulated at a time. |

Data | The facts, figures, and other evidence gathered through observations. |

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

Model | A picture, diagram, computer image, or other representation of an object or process. |

Scientific Theory | A well-tested explanation for a wide range of observations or experimental results. |

Scientific Law | A statement that describes what scientists expect to happen every time under a particular set of conditions. |

Weight | Measure of the force of gravity on an object. |

Mass | Measure of the amount of matter an object contains. |

Length | The distance from one point to another. |

Estimate | An approximation of a number based on reasonable assumptions. |

Accuracy | How close a measurement is to the true or actual value. |

Reproductability | How close a group of measurements are to each other. |

Significant Figures | Include all of the digits measured in an experiment. |

Precision | The exactness of a measurement. |

Graph | "picture" Of your data. |

Horizontal Axis | The graph line that runs horizontal. |

Vertical Axis | The graph line that runs vertical. |

Origin | The point where the two axis cross. |

Coordinate | A pair of numbers to determine a position. |

Data Point | The point showing the intersection. |

Line of Best Fit | A smooth line that shows a pattern. |

Linear Graph | The data points yield a straight line. |

Slope | The steepness of a graph line. |

Nonlinear Graph | The data points that don't fall on a straight line. |

ok | ok |

Created by:
ldavis617975