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