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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 |