Modified True/False
Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.

1.

The ability of a measurement to be reproduced with the same result is a sign of accuracy. _________________________

2.

Zero Celsius is the coldest possible temperature. _________________________

3.

A kilogram is 1,000 times as large as a gram. _________________________

4.

The mass of an object can vary with the object's location. _________________________

5.

A circle graph is always based on percentages. _________________________

6.

Speed is an estimation often measured in kilometers per hour. _________________________

7.

A line graph shows the relationship between three variables. _________________________

Multiple Choice
Identify the choice that best completes the statement or answers the question.

8.

When you measure something in meters cubed, you are measuring ____.
 a. length c. volume b. area d. mass

9.

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

10.

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

11.

A millisecond is to a second as one is to ____.
 a. 1,000 c. 10 b. 100 d. 100,000

12.

A cubic centimeter can be expressed as ____.
 a. ccm c. ct b. cm3 or cc d. ccm3

13.

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

14.

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

15.

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

16.

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

17.

SI units are useful because they are all related by multiples of ____.
 a. two c. 10 b. five d. 50

18.

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

19.

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

20.

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

Matching

Match the units of measurement with the factors that can be measured.
 a. meter c. kilogram b. liter d. kelvin

21.

mass of an orange

22.

volume of orange juice

23.

freezing point of carbon dioxide

24.

length of a soccer field

Completion
Complete each statement.

25.

Data displayed in rows and columns is called a(n) ____________________.

26.

You can use ____________________ to check that an answer is reasonable.

27.

A ____________________ graph uses percentages to relate the parts to the whole.

28.

____________________ graphs show variables on the horizontal axis and the vertical axis.

29.

The SI unit of length is the ____________________.

30.

____________________ provides a worldwide standard of physical measurement.

31.

The ____________________ is the SI unit for temperature.

32.

The ____________________ of an object measures the amount of matter in the object.

33.

Which unit of measurement is better for determining the volume for a drop of water: a milliliter or a liter? Explain.

34.

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?

35.

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.

36.

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.

37.

Describe two advantages of the SI system over the system of measurements that is still commonly used in the United States.

38.

Would your mass and weight be different on Mars than on Earth?

39.

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?

40.

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?

41.

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.

42.

What are the main reasons for preparing a scale drawing? What is the key decision that must be made before you can begin?

43.

Use an example to explain how the available tools can affect the precision of a measurement.

Problem

44.

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)

45.

Convert 255 centimeters to meters, millimeters, and kilometers.

46.

What are the two rules for deciding the number of significant digits in the answer to a calculation?