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# tools of scientist

### 6th grade ch. 1 Sec. 3

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

Descriptive data that cannot be measured are called | qualitative data |

Volume is an example of __________ data because it can be measured. | quantitive |

Scientists use their data to develop ____________, or interpretations of their observations. | explanations |

When collecting data, it is important to use cation and repeat the same procedure each time so that measurements are ____________ | precise |

the length of your cafeteria should be measured in ____________ using a meterstick. | meters |

weight can be measured using a(n)_____________ | scale |

Information can be shared quickly using the _______________. | computer |

The gram is the _____________ standard unit for mass. | metric |

The ____________ is the metric standard unit for length. | meter |

The metric system is based on _________________. This means that units can be converted to smaller or larger metric system units by multiplying or dividing by 10. | units of 10 |

Scientists use ______ to visually represent their data so relationships can be seen. | graphs |

Tables display information in rows and _____________. | columns |

The _________________ is the middle number in a set of data are arranged in numerical order. | median |

The ____________ in a data set is the difference between the highest and lowest values. | range |

Reading directions and following your teacher's __________ will help keep you safe in the lab and in the field. | instructions |

Goggles, gloves, and apron are different types of safety ___________ that you might need to wear to protect your eyes and skin. | equipment |

After conducting a scientific investigation and after handling animals, you must ____________. | wash hands |

How can using the wrong units or measuring tools lead to imprecise measurements? | if a unit that is too large is used to measure an object, the results will not be precise. Similarly, if a measuring tool has a scale that is very large, then the measurement will be imprecise. it will also be inaccurate. |

Data collected during a scientific investigation is called ________ if it can be measured. | quantitive |

Data collected during a scientific investigation is called _____________ if it cannot be measures. | qualitative |

Scientists must be ____________ when collecting quantitative data to ensure that there is little variation in the way the data were collected. | consistent |

it is also important that the measuring tool used is ___________ and has an appropriate scale. | precise |

Statistic such as mean, ________, and range can be used to summarize and measure the variation in data. | median |

Length can be measured using rulers or _________________. | metersticks |

The volume of liquids is usually measured with _____________. | graduated cylinders |

Scientists use units that people agree on called ________________. | standard units |

The system used by scientist is called the ________________ | metric system |

information gathered during an investigation | data |

descriptions of the world using words | qualitative data |

interpretation of observation | explanation |

ability to repeat a task with little variation | consistency |

descriptions of the natural world using numbers | quantitative data |

a summary of observations | description |

now closely measurements are to each other an how carefully measurements were made. | precision |

the sum of the number in a set of data divided by the number of items in the set | mean |

middle number in a set of data | median |

the difference between the highest and lowest values | range |

measurement that people agree to use such as inch, pound, yard, and gallon | standard unit |

measurement of force and is measured with a scale | weight |

the amount of matter in a object | mass |

the amount of space that matter takes up | volume |

weight is measured in | newtons |