Name:________________________________
Date:_____________
Period:_________
Physics Ch. 1 The Science of Physics
Complete and Turn in all of the following.
For Full Credit….SHOW ALL WORK.
I.
Read Pages 3-26 & Review the “Highlights” on page 26
II. Vocab Definitions
III. Warm-Ups Chapter 1
IV. Chapter 1 Section 1: What is Physics?

Section 1 Review
V. Chapter 1 Section 2: Measurements in Experiments

Practice A

Section 2 Review
VI. Chapter 1 Section 3: The Language of Physics

Section 3 Review
VII. Chapter 1 Review

Review the “Highlights” on page 26

Answer the following Review Questions on pages 27-30: 3, 6, 9, 12, 13, 24, & 37
“The Science of today is the technology of tomorrow.” Edward Teller
Page 1
Chapter 1, Section 1 Review, page 9
1. Name the major areas of physics

1st determine what you need to find
2nd determine what variable each number is.
3rd determine which equation to use.
4th solve the equation
2. Identify the area of physics that is most relevant to each of the
following situations. Explain your reasoning.
a. A high school football game

b. Food preparation for the prom
c. Playing in the school band.
d. Lightning in a thunderstorm
e. Wearing a pair of sunglasses outside in the rain.
3. What are the activities involved in the scientific method?
4. Give two examples of ways that physicists model (a representation for comparison) the physical world.
5. Identify the area of physics involved in each of the following tests of a lightweight metal alloy (mixture of
two or more metals )proposed for use in sailboat hulls:
a. Testing the effects of a collision on the alloy.
b. Testing the effects of extreme heat and cold on the alloy.
c. Testing whether the alloy can affect a magnetic compass needle.
“The Science of today is the technology of tomorrow.” Edward Teller
Page 2

Chapter 1, Practice A, page 15
1. A human hair is approximately 50 µm in diameter. Change this
diameter to meters. (Hint: 1 
10 6 m
)
m
1st determine what you need to find
2nd determine what variable each number is.
3rd determine which equation to use.
4th solve the equation
2. If a radio wave has a period (portion of time) of 1 µs, what is the
wave’s period in seconds? (Hint: 1 

10 6 s
)
s
3. A hydrogen atom has a diameter of about 10 nm.
a. Express (to show) this diameter in meters. (Hint: 1 
b. Express this diameter in millimeters. (Hint: 1 
10 9 m
)
1nm
1mm
)
10 3 m
c. Express this diameter in micrometers. (Hint: 1 
1m
)
10 6 m
4. The distance between the sun and Earth is about 1.5 x 1011m. Express this distance with the SI prefix and in
kilometers. (Hint: 1 
1km
)
10 3 m
5. The average automobile in the United States is about 1.440 x 106 g. Express this mass in kilograms. (Hint:
1
1kg
)
10 3 g
“The Science of today is the technology of tomorrow.” Edward Teller
Page 3
Chapter 1, Section 2 Review, page 20

1st determine what you need to find
1. Which SI (metric system) units would you use for the following
measurements?
a. The length of a swimming pool
b. The mass of the water in the pool
c. The time it takes a swimmer to swim a lap
2nd determine what variable each number is.
3rd determine which equation to use.
4th solve the equation

2. Express the following measurements as indicated.
a. 6.2 mg in kilograms (Hint: 1 
1g
1kg
& 1
)
1000mg
1000 g
b. 3x10-9 s in milliseconds (Hint: 1 
c. 88.0 km in meters (Hint: 1 
1000ms
)
1s
1000m
)
1km
3. Perform these calculations, following the rules for Algebra. Check out the Algebra rules posted in class.
a.
4x 2 
x
, when x = 3
2
b. 1  48  3c  , when c = -2
3
c.
3
1
 ,q=?
q 1 q
d. 32x  5  4x  2  13 , x = ?
e.
6 3  6 1  6 4 
f.
25 3  4 3 
g.
2 3

2 6
h.
8 
i.
 3
  
 10 
2 4

4
4. The following students measure the density of a piece of lead three times. The density of lead is actually
11.34 g/cm3. Considering all of the results, which person’s results were accurate? Which were precise? Were
any both accurate and precise?
a. Rachel: 11.32 g/cm3, 11.35 g/cm3, 11.33 g/cm3
b. Daniel: 11.43 g/cm3, 11.44 g/cm3, 11.42 g/cm3
c. Leah: 11.55 g/cm3, 11.34 g/cm3, 11.04 g/cm3
“The Science of today is the technology of tomorrow.” Edward Teller
Page 4

Chapter 1, Section 3 Review, page 25
1st determine what you need to find
1. Indicate which of the following physics symbols denote units and
which denote variables or quantities.
a. C
d. t
b. c
e. T
c. C
f. T
2nd determine what variable each number is.
3rd determine which equation to use.
4th solve the equation

2. Multiply and or divide the units as indicated, making sure you follow the rules of algebra.
 m  1 
kg  
 s  s 
 kg  m 
b.   2 
 s  s 
a.
 kg  m 
c.   
 s  s 
 kg  m 
d.   
 s  s 
2
3.
Which of the following is the best order-of-magnitude (approximate size) estimate in meters of
the height of a mountain?
a. 1m
c. 100m
b. 10 m
d. 1000 m
4.
Which graph best matches the data?
Volume of air (m3)
0.50
1.50
2.25
4.00
5.50
Mass of air (kg)
0.644
1.936
2.899
5.159
7.096
5. Which of the following equations best matches the data from question 4?
a. (mass)2 = 1.29 (volume)
b. mass = 1.29 (volume)
c. (mass)(volume) = 1.29
d. mass = 1.29 (volume)2
“The Science of today is the technology of tomorrow.” Edward Teller
Page 5
Chapter 1, Chapter Review, page 27-30
3. You have decided to select a new car by using the
scientific method. How might you proceed?

1st determine what you need to find
2nd determine what variable each number is.
3rd determine which equation to use.
4th solve the equation

6. If you square the speed expressed in meters per second, in what units will the answer be expressed?
9. Explain the advantages in having the meter officially defined in terms of the distance light travels in a given
time rather than as the length of a specific metal bar (which is how it used to be defined).
12. Use the SI prefixes in Table 3 of this chapter to convert these hypothetical units of measure into appropriate
quantities:
a. 10 rations (hint) 10 is “deka” so… deka+rations = “dekarations” sounds like decorations
b. 2000 mockingbirds
c. 10-6 phones
d. 10-9 goats
e. 1018 miners
13. Use the fact that the speed of light in a vacuum is about 3.00 x 108 m/s to determine how many kilometers a
pulse from a laser beam travels in exactly one hour. (Hint: 1 
60s
60 min
1km
, 1
, 1
)
1 min
1hr
1000 m
15. Can a set of measurements be precise but not accurate? Explain.
More Problems on the next page.
“The Science of today is the technology of tomorrow.” Edward Teller
Page 6
24. Estimate the order of magnitude of the length in meters of each of the following:
a. a ladybug
b. your leg
c. your school building
d. a giraffe
e. a city block
37. Calculate the circumference and area for the following circles. Use the following formulas:
circumference = 2 π r and area = π r2
a. a circle of radius 3.5 cm
b. a circle of radius 4.65 cm
“The Science of today is the technology of tomorrow.” Edward Teller
Page 7