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# Science Vocab Stack

### Definitions to help with science

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

Science | The study of the natural world |

Observing | Using the senses to gather information |

Infering | Guessing based on reasoning from what you already know. |

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

Physical Science | The study of energy and matter changes |

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

Scientific Inquiry | Different ways to study the natural world |

Hypothesis | Possible answer for a scientific question, observation, or explanation |

Parameter | A measurable factor |

Manipulated Variable | A variable that is purposely changed for an experiment |

Responding Variable | A variable that changes under circumstances during the experiment |

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

Data | Facts, figures, and evidence gathered from an experiment. |

Communicating | Sharing ideas or conclusions with other scientists. |

Models | A picture or diagram that shows how an idea of science works. |

Scientific Theory | Explanation for many observations |

Scientific Law | What's expected to happen in a set parameter. |

SI | International System of Units |

Weight | The measure of the force of gravity |

Mass | The measure of matter in an object |

Estimate | Approximation based on a given number |

Accuracy | How close a figure is to an actual number |

Reproducibility | How close two groups are to being the same |

Scientific Figures | One exact digit and one estimate |

Precision | How exact a measurement is |

Graph | A "Picture" that shows data |

Horizontal Axis | The axis that goes from left to right |

Vertical Axis | The axis that goes up and down |

Origin | The place where the axes cross |

Coordinate | A pair of numbers that show data between the x and y axes |

Data Point | A "point" that shows where that intersection is |

Line of best fit | A smooth line that shows a pattern |

Linear Graph | A graph result that shows a straight line |

Slope | The calculated steepness of a graph line |

Nonlinear Graph | Graph that does not show a straight line |

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