Name: 
 

Math Skills for Physics



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

 1. 

The prefix kilo- means ____.
a.
100
b.
1,000
c.
0.01
d.
0.001
 

 2. 

The prefix milli- means ____.
a.
100
b.
0.01
c.
1,000
d.
0.001
 

 3. 

The correct symbol for the SI unit of temperature is ____.
a.
°F
b.
K
c.
s
d.
°C
 

 4. 

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

 5. 

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

 6. 

How many meters are there in 1,865 cm?
a.
1.865
b.
186.5
c.
18.65
d.
0.1865
 

 7. 

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

 8. 

One benefit of the SI system is that it is ____.
a.
based on units of 100
c.
not used in the United States
b.
not used to measure temperature
d.
based on multiples of ten
 

 9. 

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

 10. 

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

 11. 

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

 12. 

What two dimensions, in addition to mass, are commonly used by physicists to derive additional measurements?
a.
length and time
c.
length and width
b.
area and mass
d.
velocity and time
 

 13. 

The symbol mm represents a
a.
millimeter.
b.
micrometer.
c.
manometer.
d.
megameter.
 

 14. 

The symbols for units of length in order from smallest to largest are
a.
mm, cm, m, and km.
c.
m, cm, mm, and km.
b.
mm, m, cm, and km.
d.
km, mm, cm, and m.
 

 15. 

The SI base unit used to measure mass is the
a.
liter.
b.
second.
c.
kilogram.
d.
meter.
 

 16. 

The SI base unit for time is
a.
1 second.
b.
1 day.
c.
1 minute.
d.
1 hour.
 

 17. 

The most appropriate SI unit for measuring the length of an automobile is the
a.
kilometer.
b.
millimeter.
c.
meter.
d.
centimeter.
 

 18. 

If some measurements agree closely with each other but differ widely from the actual value, these measurements are
a.
accurate but not precise.
b.
acceptable as a new standard of accuracy.
c.
precise but not accurate.
d.
neither precise nor accurate.
 

 19. 

Poor precision in scientific measurements may arise from
a.
human error.
b.
significant figures.
c.
scientific notation.
d.
both significant figures and scientific notation.
 

 20. 

These values were obtained as the mass of a bar of metal: 8.83 g; 8.84 g; 8.82 g. The known mass is 10.68 g. The values are
a.
accurate.
c.
precise.
b.
neither accurate nor precise.
d.
both accurate and precise.
 

 21. 

Five darts strike near the center of a target. The dart thrower is
a.
accurate.
c.
both accurate and precise.
b.
precise.
d.
neither accurate nor precise.
 

 22. 

In a game of horseshoes, one horseshoe lands on the post. Four horseshoes land nowhere near the post. The one horseshoe on the post was thrown
a.
accurately.
c.
both accurately and precisely.
b.
precisely.
d.
neither accurately nor precisely.
 

 23. 

Calculate the following, and express the answer in scientific notation with the correct number of significant figures: 10.5 × 8.8 × 3.14
a.
2.9 × 102
b.
290
c.
290.136
d.
290.1
 

 24. 

Calculate the following, and express the answer in scientific notation with the correct number of significant figures: (0.82 + 0.042 ) × (4.4 × 103)
a.
3784
b.
3.8 × 103
c.
3.78 × 103
d.
3.784 × 103
 
 
nar001-1.jpg
 

 25. 

Which of the following equations best describes the graph above?
a.
y = x2
b.
y = 2x
c.
y = x
d.
y = mc025-1.jpgx
 
 
nar002-1.jpg
 

 26. 

Which of the following equations best describes the graph above?
a.
y = x2 + 1
b.
y = x2 – 1
c.
y = –x2 + 1
d.
y = –x2 – 1
 

 27. 

The Greek letter delta, Δ, indicates a(n)
a.
sum or total.
c.
direct proportion.
b.
inverse proportion.
d.
difference or change.
 

 28. 

The Greek letter sigma, Σ, indicates a(n)
a.
direct proportion.
c.
sum or total.
b.
inverse proportion
d.
difference or change.
 

 29. 

What is the symbol for a time interval?
a.
T
b.
Δt
c.
t
d.
t
 

 30. 

What are the basic SI units?
a.
feet, pounds, seconds
c.
meters, kilograms, seconds
b.
feet, kilograms, seconds
d.
meters, kilograms, hours
 



 
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