Solution Manual For An Introduction to Physical Science 15th Edition by James Shipman, Jerry D. Wilson, Charles A. Higgins, Bo Lou

SOLUTION MANUAL FOR nn nn




An Introduction to Physical Science 15th Edition James Shipman, Jerry D. Wilson,
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Charles A. Higgins, Bo Lou
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Chapter 1-24 nn




Chapter 1 nn




MEASUREMENT
Chapter 1 is important because all quantitative knowledge about our physical environment
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nn is based on measurement. Some chapter sections have been reorganized and rewritten for
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nn clarity. The 1.2 Section, ―Scientific Investigation,‖ introduces the student to the procedures for
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scientific investigation. Major terms such as experiment, law, hypothesis, theory and
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nn scientific method are introduced. The idea that physical science deals with quantitative
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nn knowledge should be stressed. It is not enough to know that a car is going ―fast‖; it is
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nn necessary to know how fast. nn nn nn nn




A good understanding of units is of the utmost importance, particularly with the
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nn metric- British use in the United States today. The metric SI is introduced and explained. Both
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nn the metric and the British systems are used in the book in the early chapters for familiarity.
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nn The instructor may decide to do examples primarily in the metric system, but the student
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nn should get some practice in converting between the systems. This provides knowledge of the
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nn comparative size of similar units in the different systems and makes the student feel
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nn comfortable using what may be unfamiliar metric units. The Highlight, ―Is Unit Conversion
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Important? It Sure Is,‖ illustrates the importance of unit conversion.
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The general theme of the chapter and the textbook is the students’ position in his or
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nn her physical world. Show the students that they know about their environment and
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nn themselves through measurements. Measurements are involved in the answers to such
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nn questions as, How old are you? How much do you weigh? How tall are you? What is the
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nn normal body temperature?
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How much money do you have? These and many other technical questions are resolved or
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nn answered by measurements and quantitative analyses.
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DEMONSTRATIONS
Have a meter stick, a yardstick, a timer, one or more kilogram masses, a one-liter beaker or a
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nn liter soda container, a one-quart container, and a balance or scales available on the
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nn instructor’s desk. Demonstrate the comparative units. The meter stick can be compared to the
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nn yardstick to show the difference between them, along with the subunits of inches and
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nn centimeters. The liter and quart also can be compared. Pass the kilogram mass around the
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nn classroom so that students can get somenn nn nn nn nn nn

,idea of the amount of mass in one kilogram. Mass and weight may be compared on the balance
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nn and scales.nn




When discussing Section 1.6, ―Derived Units and Conversion Factors,‖ have class
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nn members guess the length of the instructor’s desk in metric and British units. Then have
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nn several students independently measure the length with the meter stick and yardstick.
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nn Compare the measurements in terms of significant figures and units. Compare the averages of
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nn the measurements and estimates. Convert the average metric measurement to British units, and
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vice versa, to practice conversion factors and to see how the measurements compare.
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Various metric unit demonstrations are available from commercial sources.
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ANSWERS TO MATCHING QUESTIONS nn nn nn




a. 15 nn n n n n b. 8 nn n n n n c. 10 nn n n n n d. 2 nn n n n n e. 19 nn n n f. 14 g. 21 h. 13 i. 18
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n. 1 o. 9 nn nn




p. 4 nn n n n n q. 23 r. 17 s. 5 t. 20
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ANSWERS TO MULTIPLE-CHOICE QUESTIONS nn nn nn




1.c 2. b 3. c 4. b 5. b 6. c 7. d 8. b
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ANSWERS TO FILL-IN-THE-BLANK QUESTIONS nn nn nn




1. biological 2. hypothesis
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9
7. longer 8. fundamental 9. time or second 10. one-billion, 10
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12. mass nn 13. less nn




ANSWERS TO SHORT-ANSWER QUESTIONS nn nn nn




1. An organized body of knowledge about the natural universe by which knowledge is
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nn acquired and tested. nn nn




2. Physics, chemistry, astronomy, meteorology, and geology.
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3. The 5 elements of scientific method are:
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1. Observations and Measurements, nn nn




2. Hypothesis,
3. Experiments,
4. Theory, and nn




5. Law.
4. Hypothesis

,5. A law is a concise statement about a fundamental relationship of nature. A theory is a
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nn well- tested explanation of a broad segment of natural phenomena.
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6. It illustrates the need to improve the standard of education among the general public and
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to emphasize the importance of a well-developed scientific method.
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7. Sight, hearing, touch, taste, and smell.
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8. They have limitations and can be deceived, thus providing false information about
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nn our environment.
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9. (a) No. nn n n (b) Yes. nn n n (c) Lower line. nn nn




10. A fixed and reproducible value.
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11. They are the most basic quantities of which we can think. And they are not dependent
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nn on other physical quantities.
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12. A group of standard units and their combinations.
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13. mile/hour
14. No, the United States is the only major country that has not gone completely metric.
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15. Kilogram, a platinum-iridium cylinder. nn nn nn




16. Mass. Weight varies with gravity. nn nn nn nn




17. Meter-kilogram-second, International System of Units, and centimeter-gram-second. nn nn nn nn nn nn




18. Base 10 easier to use (factors of 10).
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19. kilo- (k), mega- (M), milli- (m), micro- (µ)
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20. Mass of a cubic liter of water.
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21. kg/cubic meter. nn




22. Three fundamental quantities generally used are: Length(m), Mass(Kg), and
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nn Time(s).
23. The compactness of matter.
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24. It is given a new name.
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25. No. An equation must be equal in magnitude and units.
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26. Yes. And it could be confused with ―meters‖ instead of ―miles.‖
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27. To express measured numbers properly.
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28. The 3 rules for determining significant figures are:
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1. Non-zero digits are always significant, nn nn nn nn

, 2. Zeros at the beginning of a number are not significant,
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3. Internal or end zeros are significant. nn nn nn nn nn




For example - 0203.089 have 6 significant figures (2,0,3,0,8,9).
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29. Three.

30. One.


ANSWERS TO VISUAL CONNECTION nn nn nn




a. meter, b. kilogram, c. second, d. mks, e. foot, f. pound, g. second, h. fps
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ANSWERS TO APPLYING-YOUR-KNOWLEDGE QUESTIONS nn nn nn




1. Intrinsic properties are invariant. Kilogram cylinder and meterstick are subject to wear,
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dirt, and change.
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2. A liter, because it is larger than a quart.
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3. Scientific laws describe; legal laws regulate. Scientific laws are about the nature of
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things; legal laws concern society.
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4. 1 kgf > 1 lbf (force; 1 kgf = 2.2 lbf or 1 kgm = 2.2 lbm); 1 m3 > 1 gal; notable
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exception is the slug.
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5. No, a man did not buy a new rod because the box has dimensions 3 ft × 4 ft so he put his
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5 ft rod diagonally.
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6. 1 m = 3.28 ft
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828 m (3.28 ft/m) = 2.72 ×103 ft; 508 m (3.28 ft/m) = 1.67 × 103 ft
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Δ = 1.05 × 10 ft
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3
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ANSWERS TO EXERCISES nn nn




1. 100,000 cm or 105 cm nn nn nn nn




2. 16000 MB nn




3. 10 mm3 6
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4. 1 m3 = 103 L. 1 m3 = 102 cm x 102 cm x 102 cm = 106 cm3 (1 L/103 cm3) = 103 L = 1000 L
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5. 0.50 L (1 kg/L) = 0.50 kg = 500 g
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6. 15 cm x 25 cm x 30 cm = 11250 g and 11.25 kg
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7. (a) 0.55 Ms = 0.55 × 10 s
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6
nn n n n n (b) 2.8 km = 2.8 103 m (c) 12 mg = 12 10–3 g = 1.2 10–5
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kgnn




(d) 100 cm = 1.00 m
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