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Chapter 2 Measurement

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

1.

In the SI system, the basic unit of length is the kilogram.  _______________

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

2.

A measurement standard is defined as _____.
 a. a system of prefixes b. the distance between two points c. the exact quantity people agree to use for comparison d. the interval between two events

3.

The prefix kilo- means _____.
 a. 1000 b. 100 c. 0.01 d. 0.001 e. 0.0001

4.

The prefix milli- means _____.
 a. 1000 b. 100 c. 0.01 d. 0.001 e. 0.0001

5.

The correct symbol for the SI unit of temperature is _____.
 a. ºC b. ºF c. K d. s e. T

6.

The SI unit that is used to measure time is the _____.
 a. kelvin b. kilogram c. liter d. meter e. second

7.

The variable plotted on the horizontal or x-axis of a graph is called the _____.
 a. dependent variable c. variable with the largest range b. independent variable d. variable with the smallest range

8.

How many meters are there in 1865 cm?
 a. 0.1865 b. 1.865 c. 18.65 d. 186.5 e. 18 650

9.

In a graph showing temperature change of a material over time, temperature change is the _____.
 a. dependent variable c. variable with the largest range b. independent variable d. variable with the smallest range

10.

The best type of graph to use to show how some fixed quantity is broken down into parts is a _____.
 a. bar graph c. circle graph b. line graph d. scatter graph

11.

One benefit of the SI system is that it is _____.
 a. based on units of 100 b. not used to measure temperature c. easy to convert from one unit to related units d. not used in the United States

12.

A beaker contains 0.32 L of water. What is the volume of water in milliliters?
 a. 320 mL b. 32 mL c. 3.2 mL d. 0.32 mL e. 0.032 mL

13.

A box is 25 cm long, 6 cm wide, and 4 cm high. How many cubic centimeters of water can it hold?
 a. 100 b. 25 c. 150 d. 24 e. 600

14.

How many cubic centimeters are in one 0.354-L can of soda?
 a. 0.0354 b. 3.54 c. 35.4 d. 354 e. 3540

15.

Which of the following units CANNOT be used as a unit for volume?
 a. cm3 c. L b. kg d. mL

16.

Physical science is the study of_____.
 a. energy b. behavior c. living things d. matter e. matter and energy

17.

The process of gathering information through the senses is called _____.
 a. analyzing b. conclusion c. hypothesizing d. inferring e. observation

18.

A testable prediction about a possible solution to a problem is called _____.
 a. a conclusion b. an exercise c. an experiment d. a hypothesis e. a variable

19.

An explanation of an event that is based on repeated observations and experiments is a _____.
 a. hypothesis b. problem c. scientific law d. theory e. variable

20.

Another term for technology is _____.
 a. applied science c. matter b. energy d. pure science

21.

In an experiment to determine whether the popping of popcorn is affected by the temperature at which it is stored, counting the popped kernels is an example of a(n) _____.
 a. conclusion c. hypothesis b. control d. observation

22.

A standard for comparison that helps to ensure that the experimental result is caused by the condition being tested is the _____.
 a. constant b. control c. dependent variable d. hypothesis e. independent variable

23.

A factor in an experiment that changes from the manipulation of the independent variable is the _____.
 a. constant b. control c. dependent variable d. hypothesis e. observation

24.

A factor that does NOT change in an experiment is the _____.
 a. constant b. control c. dependent variable d. hypothesis e. independent variable

Matching

Match each statement with the correct item below.
 a. amount of material in an object g. plotted on the vertical or y-axis b. SI unit of time h. SI unit of temperature c. SI unit of length i. SI unit of mass d. SI prefix meaning 0.001 j. SI prefix meaning 0.01 e. worldwide system of measurement k. derived unit of volume f. SI prefix meaning 1000

25.

milli-

26.

kilo-

27.

centi-

28.

mass

29.

kelvin

30.

second

31.

kilogram

32.

cubic centimeter

33.

meter

34.

dependent variable

35.

SI