Physical Science 12Th Edition By Bill Tillery – Test Bank

 

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Sample Test

Physical Science, 12e (Tillery)

Chapter 3   Energy

 

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

 

Answer:  FALSE

Section:  03.01

Topic:  Work and Power

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  TRUE

Section:  03.02

Topic:  Potential and kinetic energy

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  TRUE

Section:  03.02

Topic:  Potential and kinetic energy

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  FALSE

Section:  03.01

Topic:  Work and Power

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

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

 

Answer:  FALSE

Section:  03.01

Topic:  Work and Power

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  TRUE

Section:  03.03

Topic:  Energy conversion

Bloom’s:  1. Knowledge

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  FALSE

Section:  03.02

Topic:  Potential and kinetic energy

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  FALSE

Section:  03.04

Topic:  Energy conversion

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  FALSE

Section:  03.03

Topic:  Energy conversion

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  TRUE

Section:  03.04

Topic:  Energy conversion

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

11) The watt (W) is a unit of

1.   A) work.

2.   B) electrical energy.

3.   C) power.

4.   D) force.

 

Answer:  C

Section:  03.01

Topic:  Work and Power

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

12) The quantity that has units  is known as a

1.   A) joule.

2.   B) newton.

3.   C) horsepower.

4.   D) watt.

 

Answer:  A

Section:  03.01

Topic:  Work and Power

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

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

1.   A) work—joule

2.   B) force—newton

3.   C) power—watt

4.   D) All of the answers are correct.

 

Answer:  D

Section:  03.01

Topic:  Work and Power

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

14) Which one of the following does NOT use the same units as the others?

1.   A) kinetic energy

2.   B) momentum

3.   C) potential energy

4.   D) work

 

Answer:  B

Section:  03.02

Topic:  Potential and kinetic energy

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

1.   A) 40 ft.

2.   B) 60 ft.

3.   C) 80 ft.

4.   D) 160 ft.

 

Answer:  D

Section:  03.02

Topic:  Potential and kinetic energy

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

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

1.   A) the bulb uses 60 J of power when it is lit.

2.   B) current is traveling at 60 m/s through the filament.

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

4.   D) the bulb loses 60 W of potential energy each second.

 

Answer:  C

Section:  03.01

Topic:  Energy conversion

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

17) Kinetic energy refers to

1.   A) energy of motion.

2.   B) energy of position.

3.   C) energy stored in fossil fuels.

4.   D) electrical energy.

 

Answer:  A

Section:  03.02

Topic:  Potential and kinetic energy

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

1.   A) equals .

2.   B) equals the work you did on the ball.

3.   C) is converted to potential energy as it goes higher.

4.   D) All of the answers are correct.

 

Answer:  D

Section:  03.02

Topic:  Potential and kinetic energy

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

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

1.   A) increasing, as more of this clean, non-polluting resource is used.

2.   B) increasing, as more renewable resources are used.

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

4.   D) decreasing, as old dams are destroyed for environmental reasons.

 

Answer:  C

Section:  03.04

Topic:  Energy conversion

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

1.   A) broken into rice-sized granules and transported on belts.

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

3.   C) burned in baseball-sized chunks for a hotter fire.

4.   D) transported and burned in all sizes of coal chunks.

 

Answer:  B

Section:  03.04

Topic:  Energy conversion

Bloom’s:  2. Understand

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

21) Of the following, which coal type has the most desirable burning properties AND the highest energy content?

1.   A) peat

2.   B) lignite

3.   C) subbituminous

4.   D) bituminous

 

Answer:  D

Section:  03.04

Topic:  Energy conversion

Bloom’s:  1. Knowledge

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

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

1.   A) becoming more expensive

2.   B) becoming less expensive

3.   C) solar cells are smaller today than in the past

4.   D) chemical storage batteries are dangerous

 

Answer:  B

Section:  03.05

Topic:  Energy conversion

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

1.   A) non-existent.

2.   B) same as it was on the surface.

3.   C) negative.

4.   D) zero.

 

Answer:  C

Section:  03.02

Topic:  Potential and kinetic energy

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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?

1.   A) Pat will reach the ground sooner than Chris.

2.   B) Both students have the same gravitational potential energy.

3.   C) Both students will have the same kinetic energy just before impact.

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

 

Answer:  D

Section:  03.02

Topic:  Potential and kinetic energy

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

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

1.   A) 400 J.

2.   B) 3920 J.

3.   C) unknown, because the mass of the wall is not given.

4.   D) zero, because the wall is not moving.

 

Answer:  D

Section:  03.01

Topic:  Work and Power

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

1.   A) solar cells.

2.   B) wind.

3.   C) hydroelectric.

4.   D) biomass.

 

Answer:  D

Section:  03.05

Topic:  Energy conversion

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

27) Which form of energy does NOT require matter for traveling through space?

1.   A) electrical

2.   B) chemical

3.   C) radiant

4.   D) mechanical

 

Answer:  C

Section:  03.03

Topic:  Energy conversion

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

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

1.   A) 10 percent

2.   B) 30 percent

3.   C) 60 percent

4.   D) 80 percent

 

Answer:  B

Section:  03.04

Topic:  Energy conversion

Bloom’s:  1. Knowledge

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

1.   A) electrical

2.   B) chemical

3.   C) radiant

4.   D) nuclear

 

Answer:  B

Section:  03.04

Topic:  Energy conversion

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

1.   A) W = Fd

2.   B) E. = ½ mv2

3.   C) E. = mgh

4.   D) None of the answers is correct.

 

Answer:  C

Section:  03.02

Topic:  Potential and kinetic energy

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

Physical Science, 12e (Tillery)

Chapter 5   Wave Motions and Sounds

 

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

 

Answer:  TRUE

Section:  05.01

Topic:  Vibrations

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  FALSE

Section:  05.01

Topic:  Vibrations

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

3) Sound waves moving through air are transverse.

 

Answer:  FALSE

Section:  05.02

Topic:  Waves

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  TRUE

Section:  05.03

Topic:  Waves

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

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

 

Answer:  FALSE

Section:  05.04

Topic:  Sound

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  TRUE

Section:  05.04

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  FALSE

Section:  05.05

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  FALSE

Section:  05.05

Topic:  Sound

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  TRUE

Section:  05.06

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

 

Answer:  FALSE

Section:  05.06

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

11) Through which medium will sound travel most rapidly?

1.   A) vacuum

2.   B) air

3.   C) water

4.   D) steel

 

Answer:  D

Section:  05.04

Topic:  Sound

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

12) Sound waves in air

1.   A) are longitudinal waves.

2.   B) are produced by something vibrating.

3.   C) undergo refraction when they pass through warm and cold air.

4.   D) All of the answers are correct.

 

Answer:  D

Section:  05.04

Topic:  Sound

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

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

1.   A) frequency.

2.   B) wavelength.

3.   C) amplitude.

4.   D) period.

 

Answer:  D

Section:  05.01

Topic:  Vibrations

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

1.   A) impossible.

2.   B) supersonic.

3.   C) ultrasonic.

4.   D) infrasonic.

 

Answer:  C

Section:  05.04

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

1.   A) λ is directly proportional to f

2.   B) λ is inversely proportional to f

3.   C) λ is a factor of f

4.   D) λ and f are unrelated

 

Answer:  B

Section:  05.04

Topic:  Sound

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

16) Transverse mechanical waves can pass through

1.   A) solids.

2.   B) liquids.

3.   C) gases.

4.   D) All of the answers are correct.

 

Answer:  A

Section:  05.02

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

17) In longitudinal waves, the medium

1.   A) vibrates in a direction perpendicular to the direction of motion of the wave.

2.   B) vibrates in the same direction the wave is moving.

3.   C) moves in sort of a circular motion.

4.   D) doesn’t vibrate; the disturbance just moves through the medium.

 

Answer:  B

Section:  05.02

Topic:  Sound

Bloom’s:  2. Understanding

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

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

1.   A) frequency.

2.   B) wavelength.

3.   C) amplitude.

4.   D) velocity.

 

Answer:  C

Section:  05.04

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

19) Reflected sound waves that are heard within 0.1 s

1.   A) undergo a gain in volume.

2.   B) make an echo.

3.   C) cause interference.

4.   D) make a beat.

 

Answer:  A

Section:  05.04

Topic:  Sound

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

20) The higher the frequency of a sound wave

1.   A) the higher the pitch.

2.   B) the longer the wavelength.

3.   C) the higher the velocity.

4.   D) the greater the amplitude.

 

Answer:  A

Section:  05.04

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic