Physical Science Test 1
 
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Physical Science Test 1

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 
 
pstest1_files/i0020000.jpg
Figure 1-1
 

 1. 

What type of graph is represented by Figure 1-1?
a.
bar graph
c.
circle graph
b.
line graph
d.
none of the above
 

 2. 

What is a system of knowledge and the methods used to find that knowledge?
a.
science
c.
measurement
b.
technology
d.
curiosity
 

 3. 

How are science and technology related?
a.
Technology is a branch of natural science.
b.
Science is a branch of technology.
c.
Advances in science may lead to advances in technology and vice versa.
d.
Science and technology are not related.
 

 4. 

Which of the following is NOT a branch of natural science?
a.
life science
c.
physical science
b.
Earth and space science
d.
social science
 

 5. 

How does Earth science overlap with life science?
a.
Earth science involves the study of Earth’s rocks.
b.
Earth science involves the study of systems that may include living organisms.
c.
Earth science involves the study of the composition of matter.
d.
Earth science does not overlap with life science.
 

 6. 

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.
 

 7. 

What are the building blocks of all matter?
a.
forces
c.
magnetic fields
b.
atoms
d.
kinetic and potential energy
 

 8. 

In which step of the scientific method is information obtained through the senses?
a.
drawing conclusions
c.
analyzing data
b.
making observations
d.
revising a hypothesis
 

 9. 

What happens when the data in an investigation do not support the original hypothesis?
a.
The scientist gives up and starts an investigation on a new topic.
b.
The data must be incorrect and are thrown out.
c.
The hypothesis is revised.
d.
The data are altered so that they support the original hypothesis.
 

 10. 

What is a statement that summarizes a pattern found in nature?
a.
a scientific law
c.
a scientific theory
b.
a fact
d.
a hypothesis
 

 11. 

Which of the following statements is true about scientific theories?
a.
Scientific theories become scientific laws.
b.
Scientific theories are never proven.
c.
Scientific theories become hypotheses.
d.
Scientific theories summarize patterns found in nature.
 

 12. 

What is a physical or mental representation of an object or an event?
a.
a theory
c.
a model
b.
a hypothesis
d.
a scientific law
 

 13. 

Why are scientific models important?
a.
They prove scientific theories.
b.
They help visualize things that are very complex, very large, or very small.
c.
They make it harder to understand things.
d.
They never change.
 

 14. 

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.
 

 15. 

Which of the following is an example of a safe laboratory procedure?
a.
tying back long hair and loose clothing
b.
eating or drinking from laboratory glassware
c.
touching hot objects with your bare hands
d.
testing an odor by directly inhaling the vapor
 

 16. 

How is 0.00069 written in scientific notation?
a.
69 ´ 10–5
c.
0.69 ´ 10–3
b.
6.9 ´ 104
d.
6.9 ´ 10–4
 

 17. 

Which of the following conversion factors would you use to change 18 kilometers to meters?
a.
1000 m/1 km
c.
100 m/1 km
b.
1 km/1000 m
d.
1 km/100 m
 

 18. 

What are 6 centimeters equal to?
a.
600 meters
c.
60 millimeters
b.
pstest1_files/i0200000.jpg of a millimeter
d.
600 millimeters
 

 19. 

There are 1660 megawatts of wind-generated electricity produced globally every year. This amount is equivalent to
a.
1,660,000 watts
c.
16,600,000 watts
b.
1,660,000 kilowatts
d.
166,000 kilowatts
 

 20. 

Timers at a swim meet used four different clocks to time an event. Which recorded time is the most precise?
a.
55 s
c.
55.25 s
b.
55.2 s
d.
55.254 s
 

 21. 

Which of the following clocks offers the most precision?
a.
a clock with only one hand to measure the hour
b.
a clock with only one hand to measure the minutes
c.
a clock with a hand to measure the hour and a hand to measure the minutes
d.
a clock with a hand to measure the hour, a hand to measure the minutes, and a hand to measure the seconds
 

 22. 

On the Celsius scale, at what temperature does water boil?
a.
c.
100°
b.
212°
d.
32°
 

 23. 

Approximately how many kelvins are equal to 60°F?
a.
333
c.
413
b.
323
d.
289
 

 24. 

The type of graph used to show how a part of something relates to the whole is which of the following?
a.
circle graph
c.
line graph
b.
bar graph
d.
direct proportion
 

 25. 

What is the relationship in which the ratio of the manipulated variable and the responding variable is constant?
a.
inverse proportion
c.
slope
b.
direct proportion
d.
interdependent
 

 26. 

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
 

 27. 

How do scientists who speak different languages make their data understandable to one another?
a.
They all use different systems of measurement.
b.
They all use SI.
c.
They communicate through a universal translator.
d.
They all must speak French.
 

 28. 

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
 

 29. 

Why are peer reviews important?
a.
Scientists receive questions and criticism from their peers.
b.
Data are checked for accuracy.
c.
Scientists receive comments and suggestions from other scientists.
d.
All of the above
 

 30. 

If the relationship between the manipulated variable and the responding variable is a direct proportion, what will a line graph of this relationship look like?
a.
a straight line
c.
a jagged line
b.
a curved line
d.
none of the above
 



 
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