Name Class Date
Chapter 1Science SkillsChapter Test B
Multiple Choice
Write the letter that best answers the
question or completes the statement on the
line provided.
1.What type of graph is
represented by Figure 1-1?
a.bar graph
b.line graph
c.circle graph
d.none of the above
2.What is a system of
knowledge and the methods
used to find that knowledge?
a.science
b.technology
c.measurement
d.curiosity
3.Which of the following is
NOT a branch of natural
science?
a.life science
b.Earth and space science
c.physical science
d.social science
4.Which of the following is NOT one of the main ideas of
physical science?
a.The universe is very old and very large.
b.Forces cause changes in motion.
c.Energy can be transferred from one form to another, but it
can never be destroyed.
d.One of the main branches of natural science is biology.
5.In which step of the scientific method is information
obtained through the senses?
a.drawing conclusionsb.making observations
c.analyzing datad.revising a hypothesis
6.What is a statement that summarizes a pattern found in
nature?
a.a scientific lawb.a fact
c.a scientific theoryd.a hypothesis
7.What is a physical or mental representation of an object or
an event?
a.a theoryb.a hypothesis
c.a modeld.a scientific law
Physical Science ■ Chapter 1 Test B5
Name Class Date
8.What is the most important safety rule?
a.Never work with chemicals.
b.Always use unbreakable glassware.
c.Always follow your teacher’s instructions and textbook
directions exactly.
d.Never do experiments that involve flames or hot objects.
9.How is 0.00025 written in scientific notation?
a.25 × 10–5 b.2.5 × 104
c.0.25 × 10–3d.2.5 × 10–4
10.Which of the following is equal to 1 centimeter?
a.100 meters
b.1/10 of a millimeter
c.10 millimeters
d.100 millimeters
11.Timers at a swim meet used four different clocks to time an
event. Which recorded time is the most precise?
a.55b.55.0 s
c.55.2 sd.55.25 s
12.On the Celsius scale, at what temperature does water boil?
a.0°b.212°
c.100°d.32°
13.What is the relationship in which the ratio of the
manipulated variable and the responding variable is
constant?
a.inverse proportion
b.direct proportion
c.slope
d.interdependent
14.How do scientists communicate the results of
investigations?
a.by publishing articles in scientific journals
b.by giving talks at scientific conferences
c.by exchanging e-mails
d.all of the above
15.What is a peer review?
a.a process in which only close friends of a scientist review
the scientist’s work
b.a process in which scientists examine other scientists’
work
c.a process in which scientists copy other scientists’ work
d.a process in which scientists keep their work secret
6Physical Science ■ Chapter 1 Test B
Name Class Date
Completion
Complete each statement on the line provided.
1.The SI base unit of mass is the .
2.An organized plan for gathering, organizing, and communicating
information is called a(an) .
3.A(An) is a way of plotting data to show
changes that occur in related variables.
4.Computers are an example of that helps
people solve problems.
5.Natural science is divided into life science, Earth and space
science, and .
6.The is the variable that changes in response
to the manipulated variable.
7.A(An) is a statement that summarizes a
pattern found in nature.
8.A(An) makes it easier to understand things
that are too small, too large, or too hard to observe directly.
9.The measurement 0.014 seconds equals
milliseconds.
10. is the closeness of a measurement to the
actual value being measured.
Short Answer
In complete sentences, write the answers to the questions on
the lines provided.
1.What is the single most important laboratory safety rule?
2.Why do scientists speak at conferences and write articles in
scientific journals?
3.What is a peer review?
Physical Science ■ Chapter 1 Test B7
Name Class Date
4.How many significant figures will the answer to the calculation
65.25 × 37.4 have?
5.What is the temperature at which water freezes, expressed in
Fahrenheit, Celsius, and kelvins?
Using Science Skills
Use the diagram to answer each question. Write the answers on a separate
sheet of paper.
Figure 1-2
1.Using Graphs What measurements are compared in Figure 1-2?
2.Analyzing Data In Figure 1-2, which month had the highest
amount of precipitation?
3.Inferring Why might the data in Figure 1-2 be important to share
with a scientist studying agriculture trends in Port Hardy?
4.Using Graphs Use Figure 1-2 to determine the approximate total
annual precipitation.
5.Calculating In Figure 1-2, how many meters of precipitation were
recorded during January?
8Physical Science ■ Chapter 1 Test B