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# Science

### Science Vocab

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

Scientific inquiry | ways scientists study the world. |

Hypothesis | not a fact. |

Parameter | measured factor. |

Manipulated variable | purposely changed. |

Responding variable | expected to change. |

Controlled experiment | one parameter is manipulated |

Data | facts, figures, and data. |

Communicating | sharing ideas/conclusions. |

Model | a picture, diagram, computer image, or object. |

Scientific theory | wide ranges of observations or experiments results. |

Scientific law | scientists expect to happen under particular conditions. |

Science | the study of the natural world. |

Observing | using 1 or more senses to gather info. |

Inferring | guessing base on reasoning from what you already know. |

Predicting | making a forecast based on past experience or evidence. |

Chemistry | study of matter & how it changes. |

Physical | study of matter, energy, motion, forces & their interactions. |

SI | International System of Units. |

Weight | measure the force of gravity on you. |

Mass | measurement of matter of an object. |

Estimate | approximate number based on reasonable assumptions. |

Accuracy | refers to measurements that are true or actual value. |

Reproducibility | group of measurements are to each other. |

Significant Figures | measurements include digits measured exactly plus one digit estimated. |

Precision | measure of exactness of a measurements. |

Graph | picture of your data. |

Horizontal Axis | x-axis is the graph line that runs left to right. |

Vertical Axis | y-axis is the graph line that runs left to right. |

Origin | point where the two axes cross is called the origin. |

Coordinate | a pair of number used to determine the position of a point on a graph. |

Data Point | point showing the location of that intersection is called a data point. |

Line of Best Fit | a smooth line that reflects a general pattern of a graph. |

Linear Graph | line graph in which the data points yield a straight line called a linear graph. |

Slope | the steepness of the graph line. |

Non-Linear Graph | line graph in which the data points do not fall along a straight line is called a non-linear graph. |

Motion | distance from another object changes. |

Reference point | a place or object used for comparison to determine if something is in motion. |

Distance | the length of a path between two points. |

Displacement | length and direction that an object has moved from its starting point. |

Vector | quantity that consists of both magnitude and a direction |

Created by:
Randy Dominguez