Physical Science 11Th Edition By Bill Tillery – Test Bank

 

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Sample Test

Chapter 03

Energy

 

1.   Work is the rate at which you expend energy.

FALSE

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 03.01

Topic: Work and Power

 

2.   The energy an object has because of its position is called potential energy.

TRUE

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 03.02

Topic: Potential and kinetic energy

 

3.   The increase in potential energy caused by lifting an object can be calculated by multiplying its weight by its change in height.

TRUE

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 03.02

Topic: Potential and kinetic energy

 

4.   Your electric bill for 1500 kilowatt-hours is a charge for the power you have used that month.

FALSE

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 03.01

Topic: Work and Power

 

5.   You do more work on yourself against gravity when you run up the stairs than when you walk slowly.

FALSE

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 03.01

Topic: Work and Power

 

6.   Plants convert energy from the Sun into chemical energy by a process called photosynthesis.

TRUE

Accessibility: Keyboard Navigation

Bloom’s Level: 1. Knowledge

Gradable: automatic

Section: 03.03

Topic: Energy conversion

 

7.   An object that falls twice as far will be moving twice as fast when it hits the ground.

FALSE

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 03.02

Topic: Potential and kinetic energy

 

8.   As we deplete our coal reserves, we can replace this lost source of energy by increasing our output of hydroelectric power.

FALSE

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.04

Topic: Energy conversion

 

9.   Energy is not conserved when a moving object slows to a stop.

FALSE

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Bloom’s Level: 3. Apply

Gradable: automatic

Section: 03.03

Topic: Energy conversion

 

10.                Nearly all of the energy consumed today is provided by petroleum, coal, hydropower, and nuclear sources.

TRUE

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.04

Topic: Energy conversion

 

11.                The watt (W) is a unit of

12.                work.

13.                electrical energy.

14.                C.

15.                force.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 03.01

Topic: Work and Power

 

12.                The quantity that has units is known as a

13.                A.

14.                newton.

15.                horsepower.

16.                watt.

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.01

Topic: Work and Power

 

13.                Which one of the following has an appropriate unit?

14.                work – joule

15.                force – newton

16.                power – watt

17.                D. All of the above.

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.01

Topic: Work and Power

 

14.                Which one of the following does not have the same units as the others?

15.                kinetic energy

16.                B. momentum

17.                potential energy

18.                work

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.02

Topic: Potential and kinetic energy

 

15.                A car traveling 20 mph can stop in about 40 ft. If the same car were traveling twice as fast, its stopping distance would be roughly

16.                40 ft.

17.                60 ft.

18.                80 ft.

19.                D. 160 ft.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 03.02

Topic: Potential and kinetic energy

 

16.                When a light bulb is rated at 60 W, it means that

17.                the bulb uses 60 J of power when it is lit.

18.                current is traveling at 60 m/s through the filament.

19.                C. each second, the bulb converts 60 J of electrical energy to heat and light.

20.                the bulb loses 60 W of potential energy each second.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 03.01

Topic: Energy conversion

 

17.                Kinetic energy refers to

18.                A. energy of motion.

19.                energy of position.

20.                energy stored in fossil fuels.

21.                electrical energy.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 03.02

Topic: Potential and kinetic energy

 

18.                When you throw a ball into the air, its kinetic energy

19.                equals .

20.                equals the work you did on the ball.

21.                is converted to potential energy as it goes higher.

22.                D. All of the above.

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.02

Topic: Potential and kinetic energy

 

19.                The amount of energy produced by power-generating dams is

20.                increasing, as more of this clean, nonpolluting resource is used.

21.                increasing, as more renewable resources are used.

22.                C. decreasing, as more energy is used but new dams are not being built.

23.                decreasing, as old dams are destroyed for environmental reasons.

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.04

Topic: Energy conversion

 

20.                Coal that is used in a coal-fired power plant is

21.                broken into rice-sized granules and transported on belts.

22.                B. ground to a face-powder consistency and blown into furnaces.

23.                burned in baseball-sized chunks for a hotter fire.

24.                transported and burned in all sizes of coal chunks.

Accessibility: Keyboard Navigation

Bloom’s Level: 2. Understand

Gradable: automatic

Section: 03.04

Topic: Energy conversion

 

21.                Of the following, which coal has the most desirable burning properties and highest energy content?

22.                peat

23.                lignite

24.                subbituminous

25.                D. bituminous

Accessibility: Keyboard Navigation

Bloom’s Level: 1. Knowledge

Gradable: automatic

Section: 03.04

Topic: Energy conversion

 

22.                Why is solar energy becoming more common for household electricity use?

23.                becoming more expensive

24.                B. becoming less expensive

25.                solar cells are smaller today than in the past

26.                chemical storage batteries are dangerous

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.05

Topic: Energy conversion

 

23.                The potential energy of a ball on the ground is zero. If the ball is then moved to the bottom of a hole, its potential energy is

24.                non existent.

25.                same as it was on the surface.

26.                C.

27.                zero.

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.02

Topic: Potential and kinetic energy

 

24.                Two students stand poised to leap off a high dive structure into a swimming pool below. Pat is twice as massive as Chris. Which of the following is true?

25.                Pat will reach the ground sooner than Chris.

26.                Both students have the same gravitational potential energy.

27.                Both students will have the same kinetic energy just before impact.

28.                D. Pat did twice as much work climbing to the top of the structure.

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.02

Topic: Potential and kinetic energy

 

25.                While exploring an ancient Mayan tomb, you discover that the walls begin to move and are closing in on you. By exerting 400 N of force, you are able to keep a wall from coming closer. The work you are doing on the wall is

26.                400 J

27.                3920 J

28.                unknown, because the mass of the wall is not given.

29.                D. zero, because the wall is not moving.

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.01

Topic: Work and Power

 

26.                The energy technology that is today contributing about as much energy as moving water is

27.                solar cells

28.                OTEC

29.                power tower

30.                D. biomass

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 03.05

Topic: Energy conversion

 

27.                Which form of energy does not require matter for traveling through space?

28.                electrical

29.                chemical

30.                C. radiant

31.                mechanical

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.03

Topic: Energy conversion

 

28.                Roughly, what fraction of our nation’s current energy needs in total is supplied by coal?

29.                10%

30.                B. 20%

31.                40%

32.                80%

Accessibility: Keyboard Navigation

Bloom’s Level: 1. Knowledge

Gradable: automatic

Section: 03.04

Topic: Energy conversion

 

29.                Energy sources used today are mostly in what form of energy?

30.                electrical

31.                B. chemical

32.                radiant

33.                nuclear

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Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.04

Topic: Energy conversion

 

30.                You can find the kinetic energy of a book of a known mass just before it hits the floor after falling a known distance by using which equation?

31.                W = Fd

32.                K.E. = ½ mv2

33.                C. E. = mgh

34.                None of the above.

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 03.02

Topic: Potential and kinetic energy

 

Category                                                                                     # of Questions

Accessibility: Keyboard Navigation                                                                                                            30

Bloom’s Level: 1. Knowledge                                                                                                                     3

Bloom’s Level: 2. Understand                                                                                                                     1

Bloom’s Level: 3. Apply                                                                                                                             12

Bloom’s Level: 4. Analyze                                                                                                                          14

Gradable: automatic                                                                                                                                     30

Section: 03.01                                                                                                                                             8

Section: 03.02                                                                                                                                             10

Section: 03.03                                                                                                                                             3

Section: 03.04                                                                                                                                             7

Section: 03.05                                                                                                                                             2

Topic: Energy conversion                                                                                                                           13

Topic: Potential and kinetic energy                                                                                                              10

Topic: Work and Power                                                                                                                              7

 

Chapter 05

Wave Motions and Sound

 

1.   The restoring force of a stretched spring is proportional to the displacement of the object at the end.

TRUE

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.01

Topic: Vibrations

 

2.   The frequency is the time required for one complete cycle of a swinging pendulum.

FALSE

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.01

Topic: Vibrations

 

3.   Sound waves moving through air are transverse.

FALSE

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Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.02

Topic: Waves

 

4.   The amplitude of a wave is the distance from the crest to the equilibrium position.

TRUE

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.03

Topic: Waves

 

5.   Sound travels faster through cold, denser air than through warm, less dense air.

FALSE

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 05.04

Topic: Sound

 

6.   Piano tuners try to reduce the beat frequency between their tuning fork and the wire they are tuning.

TRUE

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.04

Topic: Sound

 

7.   A radio playing music at 20 dB intensity is twice as loud as one playing at 10 dB.

FALSE

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.05

Topic: Sound

 

8.   In resonance the amplitude of a vibrating source becomes larger.

FALSE

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 05.05

Topic: Sound

 

9.   The fundamental frequency of a vibrating string has a length that is 1/2 the wavelength.

TRUE

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.06

Topic: Sound

 

10.                When you are moving toward a stationary source of a sound, its frequency will appear lower than it actually is.

FALSE

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Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.06

Topic: Sound

 

11.                Through which medium will sound travel most rapidly?

12.                vacuum

13.                air

14.                water

15.                D. steel

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 05.04

Topic: Sound

 

12.                Sound waves in air

13.                are longitudinal waves.

14.                are produced by something vibrating.

15.                undergo refraction when they pass through warm and cold air.

16.                D. All of the above.

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 05.04

Topic: Sound

 

13.                The time that is required for a vibrating object to complete one full cycle is called

14.                frequency.

15.                wavelength.

16.                amplitude.

17.                D.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.01

Topic: Vibrations

 

14.                Longitudinal waves with a frequency above 20,000 Hz are

15.                impossible.

16.                supersonic.

17.                C.

18.                infrasonic.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.04

Topic: Sound

 

15.                If v = λf, then how are λ and f related?

16.                λ is directly proportional to f

17.                B. λ is inversely proportional to f

18.                λ is a factor of f

19.                λ and f are unrelated

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 05.04

Topic: Sound

 

16.                Transverse mechanical waves can pass through

17.                A.

18.                liquids.

19.                gases.

20.                All of the above.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.02

Topic: Sound

 

17.                In longitudinal waves, the medium

18.                vibrates in a direction perpendicular to the direction of motion of the wave.

19.                B. vibrates in the same direction the wave is moving.

20.                moves in sort of a circular motion.

21.                doesn’t vibrate; the disturbance just moves through the medium.

Accessibility: Keyboard Navigation

Bloom’s Level: 2. Understanding

Gradable: automatic

Section: 05.02

Topic: Sound

 

18.                The characteristic of a sound wave that you interpret as loudness is related to

19.                frequency.

20.                wavelength.

21.                C.

22.                velocity.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.04

Topic: Sound

 

19.                Reflected sound waves that are heard within 0.1 s

20.                A. undergo a gain in volume.

21.                make an echo.

22.                cause interference.

23.                make a beat.

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 05.04

Topic: Sound

 

20.                The higher the frequency of a sound wave

21.                A. the higher the pitch.

22.                the longer the wavelength.

23.                the higher the velocity.

24.                the greater the amplitude.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.04

Topic: Sound

 

21.                A nearby noise level of 65 decibels is about the same as

22.                a whisper.

23.                a jet plane.

24.                C. normal conversation.

25.                a library.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.06

Topic: Sound

 

22.                The bending of a wave passing through a boundary between two different substances is called

23.                reflection

24.                resonance

25.                reverberation

26.                D. refraction

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.04

Topic: Sound

 

23.                The lowest frequency possible in a vibrating string undergoing resonance is

24.                the fundamental frequency.

25.                determines the pitch of the musical note sounded.

26.                has one antinode.

27.                D. All of the above.

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Gradable: automatic

Section: 05.06

Topic: Sound

 

24.                When the trough of one wave collides at the same time and place as the crest of otherwise identical wave,

25.                constructive interference occurs.

26.                B. destructive interference occurs.

27.                resonance occurs.

28.                they don’t interact with each other.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.04

Topic: Sound

 

25.                Suppose that you hold a vibrating 340 Hz tuning fork near a guitar string that is vibrating at 350 Hz. What you hear is

26.                two separate tones of different frequency.

27.                one tone with a frequency of 345 Hz.

28.                C. beats with a frequency of 10 Hz.

29.                one tone with a frequency of 690 Hz.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.04

Topic: Sound

 

26.                What is the range of normal human hearing?

27.                200 to 120,000 Hz

28.                20 to 2,000 Hz

29.                50 to 10,000 Hz

30.                D. 20 to 20,000 Hz

Accessibility: Keyboard Navigation

Bloom’s Level: 2. Understanding

Gradable: automatic

Section: 05.04

Topic: Sound

 

27.                Condensation in a longitudinal wave corresponds to what part of a transverse wave?

28.                A. crest

29.                trough

30.                wavelength

31.                amplitude

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.04

Topic: Sound

 

28.                Resonance occurs at a(an)

29.                A. natural frequency.

30.                intensity match.

31.                point of constructive interference.

32.                point of destructive interference.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.05

Topic: Sound

 

29.                A sound that is perceived as twice as loud requires

30.                twice the intensity.

31.                four times the intensity.

32.                C. ten times the intensity.

33.                one hundred times the intensity.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.05

Topic: Sound

 

30.                You are able to hear sounds from farther away on a cool night because sound waves are refracted toward

31.                A. cooler air near the ground.

32.                warmer air above the ground.

33.                cooler air above the ground.

34.                warmer air near the ground.

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Gradable: automatic

Section: 05.04

Topic: Sound

 

Category                                                                                 # of Questions

Accessibility: Keyboard Navigation                                                                                                        30

Bloom’s Level: 2. Understanding                                                                                                            2

Bloom’s Level: 3. Apply                                                                                                                         21

Bloom’s Level: 4. Analyze                                                                                                                      7

Gradable: automatic                                                                                                                                 30

Section: 05.01                                                                                                                                         3

Section: 05.02                                                                                                                                         3

Section: 05.03                                                                                                                                         1

Section: 05.04                                                                                                                                         15

Section: 05.05                                                                                                                                         4

Section: 05.06                                                                                                                                         4

Topic: Sound                                                                                                                                           25

Topic: Vibrations                                                                                                                                    3

Topic: Waves                                                                                                                                          2