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6 W Sc Chapt 2
Chapter 2 Measurement
| Question | Answer |
|---|---|
| The ability of a measurement to be reproduced with the same result is a sign of? | accuracy |
| What is the coldest possible temperature? | 0 degrees kelvin |
| How many times is a kiloliter to a liter? | 1000 |
| Which graph is always based on percentages? | circle graph |
| How many variables are compared in a line graph? | 2 |
| Cubic meters measurement measures? | volume |
| SI units are based on multiples of? | 10 |
| What is the advantage of data in a table or paragraph? | it is more organized |
| mass is measured in? | grams |
| volume is measured in? | liters |
| length is measured in? | meters |
| to check that an answer is reasonable, a person uses what type of measurement? | estimation |
| Which graph shows variables on both axis's? | line graph |
| What provides a worldwide standard of physical measurement? | SI |
| Which unit better determines the volume for a drop of liquid? | milliliter |
| What is the advantage of SI units besides being a base unit of ten? | world-wide |
| Why is mass different than weight - use planet comparisons. | gravity |
| centimeters to a meter compares how? | to the hundreth |
| What is a way to describe the world with numbers? | measurement |
| Name the 5 types of measurement: | distance, time, speed, volume, mass |
| Can measurement be used to help describe events in the world? (yes or no) | yes |
| Approximated measurement based on previous experience is called? | estimation |
| When should one use estimation? | when actual measurements are not easily made. |
| Estimation can check that an answer is? | correct/reasonable |
| Which word to people often use when estimating? | about |
| a description of how close measurements are to each other | precision |
| Precision is used to discuss the number of _____ a measuring device can measure. | decimal places |
| Today's measuring devices are (more or less)precise than those of the past? | more |
| comparison of measurement to actual value | accuracy |
| Precision & accuracy are not important in many medical procedures. (True or False) | False |
| Measurements can be rounded when precision is not needed. (true or false) | true |
| reflects true precision of a calculation | significant |
| Multiplication or division - measurement with the (fewest or most) digits determines the number of significant digits? | fewest |
| Addition or subtraction - significance is determined to the place value of the (least or greatest) precise measurement? | least |
| The International System -SI units, in multiples of ____, provide a standard of consistent measurement for global science, business, and industry. | 10 |
| Length -The distance between two points; SI unit | meter |
| to measure a pencil - use | centimeter |
| to measure distance from New York to Chicago - use | kilometers |
| the amount of space an object takes up | volume |
| To find the volume of regular shape - measure the length, width & ____ & then multiply | height |
| To find the volume of an irregular shape you will need to do what? | immersion |
| Mass- Amount of matter in an object; SI unit | kilogram |
| Weight- measurement of force; SI unit | newton |
| temperature - measure of kinetic energy in particles of matter; SI unit | kelvin |
| time- interval between two events; SI unit | seconds |
| amount of change of one measurement in a given amount of time | rate |
| Scientific Illustrations - often make information less clear than written text can? (true or false) | false |
| what can emphasize only necessary details or show things you can't see? | drawings |
| What shows an object exactly as it is at a single moment? | photograph |
| displays information in rows and columns for easier comprehension | data table |
| collect, organize, and summarize data visually | graph |
| which graph shows relationship between tow variables, which must be numbers | line graph |
| which graph uses bars of different sizes to show relationships between variables; one variable is divided into parts; the other variable is a number | bar graph |
| which graph shows parts of a whole a percentages | circle graph |
| _____ on graphs must be carefully constructed and analyzed so users easily understand the information | scale |
| The measurement 25.81g is precise to the nearest (gram, kilogram, tenth of a gram, hundredth of a gram)? | hundredth of a gram |
| What is the SI unit of mass? (kilometer, meter, liter, kilogram) | kilogram |
| What would you use to measure length? (graduated cylinder, triple beam balance, meterstick, spring scale) | meterstick |
| The cubic meter is the SI unit of what? (volume, weight, mass, distance) | volume |
| Which term describes how close measurements are to each other? (significant digits, estimation, accuracy, precision) | precision |
| Which of the following is a temperature scale? (volume, mass, Celsius, Mercury) | Celsius |
| Which of the following is used to organize data? (table, rate, precision, meterstick) | table |
| To show the number of wins for each football team in your district, which of the following would you use? (photograph, line graph, bar graph, SI) | bar graph |
| To show 25 percent on a circle graph, the section must measure what angle? (25, 90, 180, 360) | 90 |
| the SI unit for length | meter |
| a description with numbers | measurment |
| a method of making a rough measurement | estimation |
| the amount of matter in an object | mass |
| a graph that shows parts of a whole | circle graph |
| a description of how close measurements are to each other | precision |
| the SI unit for temperature | kelvin |
| an international system of units | SI |
| the amount of space an object occupies | volume |
Created by:
pkabbes