, based on measurement. Some chapter sections have been reorganized and rewritten for clarit
ol mx mx mx mx ol mx mx mx mx mx mx
y. The 1.2 Section, —
mx mx mx ol
Scientific Investigation,‖ introduces the student to the procedures for scientific in vestigation. Maj
mx mx m
x mx mx mx mx mx mx mx mx m x
or terms such as experiment, law, hypothesis, theory and scientific method are intr oduced. The id
mx mx mx mx mx mx mx mx ol mx mx mx mx mx mx
ea that physical science deals with quantitative knowledge should be stressed. It is not enough
mx ol mx mx mx mx mx mx mx mx mx ol mx mx mx
to know that a car is going —fast‖; it is necessary to know how fast.
mx mx ol mx mx mx ol mx mx mx mx mx mx mx
A good understanding of units is of the utmost importance, particularly with the metri
mx ol mx mx mx mx mx mx mx mx mx mx mx
c-
British use in the United States today. The metric SI is introduced and explained. Both the metric
mx mx ol mx mx mx mx mx mx ol mx mx mx mx mx mx m
a nd the British systems are used in the book in the early chapters for familiarity. The instructor
x mx mx mx mx mx mx mx ol mx mx ol mx mx mx mx mx mx mx
may decide to do examples primarily in the metric system, but the student should get some pract
mx mx ol mx mx mx mx mx mx mx mx mx mx mx ol mx
ice in c onverting between the systems. This provides knowledge of the comparative size of sim
mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx
ilar units i n the different systems and makes the student feel comfortable using what may be unf
mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx
amiliar metri c units. The Highlight, —
mx mx mx mx mx mx
Is Unit Conversion Important? It Sure Is,‖ illustrates the importance of unit conversion.
mx mx mx mx ol mx mx mx mx mx mx mx
The general theme of the chapter and the textbook is the students’ position in his or her
mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx
ph ysical world. Show the students that they know about their environment and themselves throu
mx mx mx mx mx mx mx mx mx mx mx mx ol mx
gh m easurements. Measurements are involved in the answers to such questions as, How old are y
mx mx mx mx mx ol mx mx mx mx ol mx mx mx ol mx
ou? Ho w much do you weigh? How tall are you? What is the normal body temperature?
mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx
How much money do you have? These and many other technical questions are resolved or answe
mx mx mx mx ol mx ol ol mx mx mx ol mx mx mx
re d by measurements and quantitative analyses.
mx mx mx mx ol mx
DEMONSTRATIONS
Have a meter stick, a yardstick, a timer, one or more kilogram masses, a one
mx ol mx ol mx mx mx mx mx mx mx mx mx mx
-liter beaker or a liter soda container, a one-
mx mx mx mx mx ol mx mx
quart container, and a balance or scales available on the instructor’s desk. Demonstrate the comp
mx mx mx mx mx mx mx mx mx mx mx mx mx mx
ar ative units. The meter stick can be compared to the yardstick to show the difference between t
mx mx mx mx mx ol mx mx ol mx mx mx mx mx mx mx mx
hem, along with the subunits of inches and centimeters. The liter and quart also can be compared.
mx ol ol mx mx mx mx ol mx mx mx mx mx mx mx mx mx
Pass th e kilogram mass around the classroom so that students can get some
mx mx mx mx mx ol mx mx mx ol mx mx mx
,idea of the amount of mass in one kilogram. Mass and weight may be compared on the balance an
ol mx mx mx mx mx mx mx mx mx mx ol mx mx ol mx mx mx
d scales.
mx
When discussing Section 1.6, —ol mx mx mx
Derived Units and Conversion Factors,‖ have class memb ers guess the length of the instructor’s
mx mx mx mx mx mx mx mx mx ol mx mx mx mx mx
desk in metric and British units. Then have several students i ndependently measure the length w
mx mx mx ol ol mx ol mx mx mx mx mx mx mx mx
ith the meter stick and yardstick. Compare the measurements i n terms of significant figures an
mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx
d units. Compare the averages of the measurements and estimates. Convert the average metric m
mx mx mx mx mx mx mx mx mx mx ol mx mx mx
easurement to British units, and vice versa, to practice conversion fac tors and to see how the m
mx ol ol mx ol mx mx mx mx mx mx mx mx mx mx mx mx
easurements compare. mx
Various metric unit demonstrations are available from commercial sources.
mx mx mx mx ol mx mx mx
ANSWERS TO MATCHING QUESTIONS mx mx mx
a. 15 b. 8 c. 10 d. 2
mx mx mx mx m x m x e. 19 f. 14 g. 21 h. 13 i. 18
mx mx m x mx mx mx j. 6 mx om x m x k. 11mx l. 3 mx m. 12 n. 1 mx mx o. 9
mx
p. 4 q. 23 r. 17
mx mx mx s. 5 t. 20 u. 16 v. 22
mx mx mx mx w. 7 mx
ANSWERS TO MULTIPLE-CHOICE QUESTIONS mx mx mx
1.c 2. b 3. c 4. b 5. b
mx mx mx mx 6. c 7. d 8. b
mx mx mx m x m x 9. d mx m x m x 10. c mx 11. b 12. b 13. a
mx mx mx 14. b mx
ANSWERS TO FILL-IN-THE-BLANK QUESTIONS mx mx mx
1. biological
mx 2. hypothesis
mx 3. scientific method
mx mx 4. sight, hearing
mx mx 5. limitations
mx 6. less mx
9
7. longer
mx 8. fundamental
mx 9. time or second
mx mx mx 10. one-billion, 10
mx ol 11. liter mx
12. massmx 13. less mx
ANSWERS TO SHORT-ANSWER QUESTIONS mx mx mx
1. An organized body of knowledge about the natural universe by which knowledge is acquired
mx mx mx mx mx mx mx mx mx mx mx mx mx mx
a nd tested.
mx mx
2. Physics, chemistry, astronomy, meteorology, and geology.
mx mx mx mx mx
3. The 5 elements of scientific method are:
mx mx mx mx mx mx
1. Observations and Measurements, mx mx
2. Hypothesis,
3. Experiments,
4. Theory, and mx
5. Law.
4. Hypothesis
, 5. A law is a concise statement about a fundamental relationship of nature. A theory is a wel
mx mx mx ol mx ol mx mx mx mx mx mx mx mx mx ol
l-tested explanation of a broad segment of natural phenomena.
mx mx mx mx mx mx mx mx
6. It illustrates the need to improve the standard of education among the general public and to
mx mx mx mx ol mx mx mx mx mx ol mx mx mx mx mx
e mphasize the importance of a well-developed scientific method.
mx mx mx mx mx mx mx mx
7. Sight, hearing, touch, taste, and smell.
mx mx mx mx mx
8. They have limitations and can be deceived, thus providing false information about our
mx mx mx mx ol mx mx mx ol mx mx ol m
xe nvironment.
mx
9. (a) No. mx m x (b) Yes. mx m x (c) Lower line. mx mx
10. A fixed and reproducible value.
mx mx mx mx
11. They are the most basic quantities of which we can think. And they are not dependent on o
mx ol mx ol mx mx mx ol mx mx mx mx mx mx ol mx mx
t her physical quantities.
mx mx mx
12. A group of standard units and their combinations.
mx mx mx ol mx mx mx
13. mile/hour
14. No, the United States is the only major country that has not gone completely metric.
mx mx ol mx mx mx mx mx mx ol mx mx mx mx
15. Kilogram, a platinum-iridium cylinder. mx mx mx
16. Mass. Weight varies with gravity. mx mx mx ol
17. Meter-kilogram-second, International System of Units, and centimeter-gram-second. mx mx mx mx mx mx
18. Base 10 easier to use (factors of 10).
mx mx mx mx mx mx mx
19. kilo- (k), mega- (M), milli- (m), micro- (µ)
mx mx mx mx mx mx mx
20. Mass of a cubic liter of water.mx mx mx mx mx mx
21. kg/cubic meter. mx
22. Three fundamental quantities generallyused are: Length(m), Mass(Kg), and
mx mx mx mx mx mx mx m
x Time(s).
23. The compactness of matter.
mx mx mx
24. It is given a new name.
mx mx ol ol mx
25. No. An equation must be equal in magnitude and units.
mx mx mx mx mx mx mx mx mx
26. Yes. And it could be confused with—meters‖instead of —miles.‖
m
x ol ol m
x ol m
x m
x m
x mx
27. To express measured numbers properly.
mx mx mx mx
28. The 3 rules for determining significant figures are:
mx mx mx mx mx ol mx
1. Non-zero digits are always significant, mx mx mx mx
ol mx mx mx mx ol mx mx mx mx mx mx
y. The 1.2 Section, —
mx mx mx ol
Scientific Investigation,‖ introduces the student to the procedures for scientific in vestigation. Maj
mx mx m
x mx mx mx mx mx mx mx mx m x
or terms such as experiment, law, hypothesis, theory and scientific method are intr oduced. The id
mx mx mx mx mx mx mx mx ol mx mx mx mx mx mx
ea that physical science deals with quantitative knowledge should be stressed. It is not enough
mx ol mx mx mx mx mx mx mx mx mx ol mx mx mx
to know that a car is going —fast‖; it is necessary to know how fast.
mx mx ol mx mx mx ol mx mx mx mx mx mx mx
A good understanding of units is of the utmost importance, particularly with the metri
mx ol mx mx mx mx mx mx mx mx mx mx mx
c-
British use in the United States today. The metric SI is introduced and explained. Both the metric
mx mx ol mx mx mx mx mx mx ol mx mx mx mx mx mx m
a nd the British systems are used in the book in the early chapters for familiarity. The instructor
x mx mx mx mx mx mx mx ol mx mx ol mx mx mx mx mx mx mx
may decide to do examples primarily in the metric system, but the student should get some pract
mx mx ol mx mx mx mx mx mx mx mx mx mx mx ol mx
ice in c onverting between the systems. This provides knowledge of the comparative size of sim
mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx
ilar units i n the different systems and makes the student feel comfortable using what may be unf
mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx
amiliar metri c units. The Highlight, —
mx mx mx mx mx mx
Is Unit Conversion Important? It Sure Is,‖ illustrates the importance of unit conversion.
mx mx mx mx ol mx mx mx mx mx mx mx
The general theme of the chapter and the textbook is the students’ position in his or her
mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx
ph ysical world. Show the students that they know about their environment and themselves throu
mx mx mx mx mx mx mx mx mx mx mx mx ol mx
gh m easurements. Measurements are involved in the answers to such questions as, How old are y
mx mx mx mx mx ol mx mx mx mx ol mx mx mx ol mx
ou? Ho w much do you weigh? How tall are you? What is the normal body temperature?
mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx
How much money do you have? These and many other technical questions are resolved or answe
mx mx mx mx ol mx ol ol mx mx mx ol mx mx mx
re d by measurements and quantitative analyses.
mx mx mx mx ol mx
DEMONSTRATIONS
Have a meter stick, a yardstick, a timer, one or more kilogram masses, a one
mx ol mx ol mx mx mx mx mx mx mx mx mx mx
-liter beaker or a liter soda container, a one-
mx mx mx mx mx ol mx mx
quart container, and a balance or scales available on the instructor’s desk. Demonstrate the comp
mx mx mx mx mx mx mx mx mx mx mx mx mx mx
ar ative units. The meter stick can be compared to the yardstick to show the difference between t
mx mx mx mx mx ol mx mx ol mx mx mx mx mx mx mx mx
hem, along with the subunits of inches and centimeters. The liter and quart also can be compared.
mx ol ol mx mx mx mx ol mx mx mx mx mx mx mx mx mx
Pass th e kilogram mass around the classroom so that students can get some
mx mx mx mx mx ol mx mx mx ol mx mx mx
,idea of the amount of mass in one kilogram. Mass and weight may be compared on the balance an
ol mx mx mx mx mx mx mx mx mx mx ol mx mx ol mx mx mx
d scales.
mx
When discussing Section 1.6, —ol mx mx mx
Derived Units and Conversion Factors,‖ have class memb ers guess the length of the instructor’s
mx mx mx mx mx mx mx mx mx ol mx mx mx mx mx
desk in metric and British units. Then have several students i ndependently measure the length w
mx mx mx ol ol mx ol mx mx mx mx mx mx mx mx
ith the meter stick and yardstick. Compare the measurements i n terms of significant figures an
mx mx mx mx mx mx mx mx mx mx mx mx mx mx mx
d units. Compare the averages of the measurements and estimates. Convert the average metric m
mx mx mx mx mx mx mx mx mx mx ol mx mx mx
easurement to British units, and vice versa, to practice conversion fac tors and to see how the m
mx ol ol mx ol mx mx mx mx mx mx mx mx mx mx mx mx
easurements compare. mx
Various metric unit demonstrations are available from commercial sources.
mx mx mx mx ol mx mx mx
ANSWERS TO MATCHING QUESTIONS mx mx mx
a. 15 b. 8 c. 10 d. 2
mx mx mx mx m x m x e. 19 f. 14 g. 21 h. 13 i. 18
mx mx m x mx mx mx j. 6 mx om x m x k. 11mx l. 3 mx m. 12 n. 1 mx mx o. 9
mx
p. 4 q. 23 r. 17
mx mx mx s. 5 t. 20 u. 16 v. 22
mx mx mx mx w. 7 mx
ANSWERS TO MULTIPLE-CHOICE QUESTIONS mx mx mx
1.c 2. b 3. c 4. b 5. b
mx mx mx mx 6. c 7. d 8. b
mx mx mx m x m x 9. d mx m x m x 10. c mx 11. b 12. b 13. a
mx mx mx 14. b mx
ANSWERS TO FILL-IN-THE-BLANK QUESTIONS mx mx mx
1. biological
mx 2. hypothesis
mx 3. scientific method
mx mx 4. sight, hearing
mx mx 5. limitations
mx 6. less mx
9
7. longer
mx 8. fundamental
mx 9. time or second
mx mx mx 10. one-billion, 10
mx ol 11. liter mx
12. massmx 13. less mx
ANSWERS TO SHORT-ANSWER QUESTIONS mx mx mx
1. An organized body of knowledge about the natural universe by which knowledge is acquired
mx mx mx mx mx mx mx mx mx mx mx mx mx mx
a nd tested.
mx mx
2. Physics, chemistry, astronomy, meteorology, and geology.
mx mx mx mx mx
3. The 5 elements of scientific method are:
mx mx mx mx mx mx
1. Observations and Measurements, mx mx
2. Hypothesis,
3. Experiments,
4. Theory, and mx
5. Law.
4. Hypothesis
, 5. A law is a concise statement about a fundamental relationship of nature. A theory is a wel
mx mx mx ol mx ol mx mx mx mx mx mx mx mx mx ol
l-tested explanation of a broad segment of natural phenomena.
mx mx mx mx mx mx mx mx
6. It illustrates the need to improve the standard of education among the general public and to
mx mx mx mx ol mx mx mx mx mx ol mx mx mx mx mx
e mphasize the importance of a well-developed scientific method.
mx mx mx mx mx mx mx mx
7. Sight, hearing, touch, taste, and smell.
mx mx mx mx mx
8. They have limitations and can be deceived, thus providing false information about our
mx mx mx mx ol mx mx mx ol mx mx ol m
xe nvironment.
mx
9. (a) No. mx m x (b) Yes. mx m x (c) Lower line. mx mx
10. A fixed and reproducible value.
mx mx mx mx
11. They are the most basic quantities of which we can think. And they are not dependent on o
mx ol mx ol mx mx mx ol mx mx mx mx mx mx ol mx mx
t her physical quantities.
mx mx mx
12. A group of standard units and their combinations.
mx mx mx ol mx mx mx
13. mile/hour
14. No, the United States is the only major country that has not gone completely metric.
mx mx ol mx mx mx mx mx mx ol mx mx mx mx
15. Kilogram, a platinum-iridium cylinder. mx mx mx
16. Mass. Weight varies with gravity. mx mx mx ol
17. Meter-kilogram-second, International System of Units, and centimeter-gram-second. mx mx mx mx mx mx
18. Base 10 easier to use (factors of 10).
mx mx mx mx mx mx mx
19. kilo- (k), mega- (M), milli- (m), micro- (µ)
mx mx mx mx mx mx mx
20. Mass of a cubic liter of water.mx mx mx mx mx mx
21. kg/cubic meter. mx
22. Three fundamental quantities generallyused are: Length(m), Mass(Kg), and
mx mx mx mx mx mx mx m
x Time(s).
23. The compactness of matter.
mx mx mx
24. It is given a new name.
mx mx ol ol mx
25. No. An equation must be equal in magnitude and units.
mx mx mx mx mx mx mx mx mx
26. Yes. And it could be confused with—meters‖instead of —miles.‖
m
x ol ol m
x ol m
x m
x m
x mx
27. To express measured numbers properly.
mx mx mx mx
28. The 3 rules for determining significant figures are:
mx mx mx mx mx ol mx
1. Non-zero digits are always significant, mx mx mx mx
