Modified True/False
Indicate
whether the statement is true or false. If false, change the identified word or phrase to make the
statement true.
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1.
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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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2.
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Zero Celsius is the coldest possible temperature.
_________________________
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3.
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A kilogram is 1,000 times as large as a gram.
_________________________
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4.
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The mass of an object can vary with the object's location.
_________________________
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5.
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A circle graph is always based on percentages.
_________________________
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6.
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Speed is an estimation often measured in kilometers per hour.
_________________________
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7.
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A line graph shows the relationship between three variables.
_________________________
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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8.
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When you measure something in meters cubed, you are measuring ____.
a. | length | c. | volume | b. | area | d. | mass |
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9.
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If you were to round off the measurement 2.33501 grams to three digits, you
would get ____.
a. | 2.33 g | c. | 2.35 g | b. | 2.34 g | d. | 2.36 g |
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10.
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A bowler who always left the same three pins standing could be considered a(n)
____ bowler.
a. | accurate and precise | c. | precise | b. | accurate | d. | good |
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11.
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A millisecond is to a second as one is to ____.
a. | 1,000 | c. | 10 | b. | 100 | d. | 100,000 |
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12.
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A cubic centimeter can be expressed as ____.
a. | ccm | c. | ct | b. | cm3 or cc | d. | ccm3 |
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13.
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The value of the boiling point of water on the Kelvin scale is ____ the value of
the boiling point of water on the Celsius scale.
a. | equal to | c. | higher than | b. | lower than | d. | 10 times |
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14.
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To make a scale drawing of a basketball court, which of the following scales
would be most useful?
a. | 1 cm = 1 m | c. | 1 m = 1 km | b. | 1 km = 1 m | d. | 1 m = 1 cm |
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15.
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When evaluating a paper delivery, a homeowner would be most concerned about
____.
a. | the accuracy of the throws | c. | the speed of the
throws | b. | the precision of the throws | d. | the timing of the throws |
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16.
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In which of the following situations would it NOT be wise to estimate?
a. | the number of miles per gallon an automobile can provide | b. | the time it would
take to walk to the grocery store from home | c. | the amount of food to prepare for twelve
people | d. | the amount of medicine to give a patient |
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17.
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SI units are useful because they are all related by multiples of ____.
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18.
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The advantage data in a table has over data presented in a paragraph is the
____.
a. | number of digits that can be included | b. | accuracy of the data | c. | way the data is
organized | d. | amount of detail that can be included |
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19.
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In which of the following situations would the reply 1 minute, 45 seconds, and
ten one-hundredths of a second be a reasonable answer?
a. | describing the time left before the end of class | b. | estimating the
length of a cut on a CD | c. | describing the time it takes to bike from your
house to school | d. | describing the time of a bobsled run at the Olympic
trials |
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20.
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Which of the following visual displays would be best for describing the
percentages of different gases in the atmosphere?
a. | circle graph | c. | bar graph | b. | line graph | d. | any of the
above |
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Matching
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Match the units of measurement with the factors that can be
measured. a. | meter | c. | kilogram | b. | liter | d. | kelvin |
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21.
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mass of an orange
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22.
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volume of orange juice
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23.
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freezing point of carbon dioxide
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24.
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length of a soccer field
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Completion
Complete each
statement.
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25.
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Data displayed in rows and columns is called a(n) ____________________.
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26.
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You can use ____________________ to check that an answer is reasonable.
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27.
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A ____________________ graph uses percentages to relate the parts to the
whole.
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28.
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____________________ graphs show variables on the horizontal axis and the
vertical axis.
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29.
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The SI unit of length is the ____________________.
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30.
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____________________ provides a worldwide standard of physical
measurement.
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31.
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The ____________________ is the SI unit for temperature.
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32.
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The ____________________ of an object measures the amount of matter in the
object.
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Short Answer
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33.
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Which unit of measurement is better for determining the volume for a drop of
water: a milliliter or a liter? Explain.
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34.
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In earlier centuries, people used body parts to make measurements. They might
take 50 steps and call the distance 50 feet or measure the height of a horse in hand spans. What were
the advantages and disadvantages of these types of measurements?
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35.
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Discuss each of the following descriptions. How precise is the information they
supply? (A) The sweatshirt comes in small, medium, or large. (B) The dress is a size 14. (C) The
engagement ring is a size 6.
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36.
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Suppose you have an X ray of an arm, which is taken because the doctor suspects
a bone is broken. You also have a drawing showing the locations of the bones in a human body. Explain
how both of these visuals could contribute valuable data to the situation.
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37.
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Describe two advantages of the SI system over the system of measurements that is
still commonly used in the United States.
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38.
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Would your mass and weight be different on Mars than on Earth?
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39.
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Suppose you read the following description in the want ads for a used car: mint
condition, 55,000 miles on the odometer, model XJ4500, willing to accept reasonable offer. Describe
the usefulness of each piece of data. What do the more valuable pieces of data have in common?
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40.
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How can you measure the volume of a solid that does not have a regular shape?
What property must the solid NOT have for your method to work?
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41.
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Water freezes at 32 degrees and boils at 212 degrees on the Fahrenheit
temperature scale. Compare the size of a degree of the Fahrenheit scale to the size of a degree on
the Celsius scale.
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42.
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What are the main reasons for preparing a scale drawing? What is the key
decision that must be made before you can begin?
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43.
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Use an example to explain how the available tools can affect the precision of a
measurement.
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Problem
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44.
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Calculate the volume of a container that is 9 centimeters long, 5.2 centimeters
wide, and 2.55 cm tall. Choose an appropriate number of digits for your answer based on the precision
of the data supplied. (volume = length ´ width ´ height)
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45.
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Convert 255 centimeters to meters, millimeters, and kilometers.
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46.
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What are the two rules for deciding the number of significant digits in the
answer to a calculation?
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