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Physical Science Ch. 10

Total questions: 71

Worksheet time: 36mins

Name
Class
Date
1.

What is a repeating disturbance that transfers energy through matter or space?

a)

thunder

b)

waves

c)

resonance

d)

refraction

2.

Waves transfer energy _______ the source its disturbance.

a)

closer to

b)

next to

c)

farther from

d)

toward

3.

A vibration occurs in an instant.

a)

true

b)

false

4.

Waves carry energy.

a)

true

b)

false

5.

Waves carry matter.

a)

true

b)

false

6.

A wave needs ________ to move.

a)

matter

b)

energy

7.

Mechanical waves require a ________ to move through.

a)

room

b)

vacuum

c)

space

d)

medium

8.

Which are mechanical waves?

a)

sound

b)

transverse

c)

compressional

d)

seismic

9.

Elect all that can be a medium for a mechanical wave.

a)

solid and liquid only

b)

solid and gas only

c)

solid, liquid, gas, or a combination of them

d)

gas and liquid only

10.

Which type of wave over at a right angle to the direction the wave travels?

a)

transverse

b)

compressional

11.

Ocean waves are a ___________ wave.

a)

transverse

b)

compressional

c)

sound

d)

radio

12.

The medium this wave passes through moves back and forth in the same direction the wave travels.

a)

longitudinal

b)

transverse

c)

compressional

d)

sound

13.

Sound waves are this type of wave.

a)

transverse

b)

compressional

14.

These waves are caused by the breaking of Earth's crust.

a)

sound

b)

seismic

c)

radio

d)

ocean

15.

What are the two parts of a transverse wave?

a)

crest

b)

compression

c)

rarefaction

d)

trough

16.

What are the two parts of a longitudinal wave?

a)

crest

b)

compression

c)

rarefaction

d)

trough

17.

Seismic waves are

a)

compressional

b)

transverse

c)

neither compressional or transverse

d)

both compressional and transverse

18.

The distance from one point on a wave and the nearest point just like it

a)

frequency

b)

wavelength

c)

period

d)

amplitude

19.

Describes the number pf wavelengths that pass a point each second.

a)

period

b)

wavelngth

c)

amplitude

d)

frequency

20.

Standard unit of measure for frequency

a)

dB (decibels)

b)

Hz (hertz)

c)

f (frequency)

d)

s (seconds)

21.

The amount of time it takes one wavelength tp pass a point

a)

frequency

b)

minute

c)

period

d)

amplitude

22.

Periods are measured in units of

a)

seconds

b)

minutes

c)

hertz

d)

decibels

23.

As the frequency of a wave increases, the period ______.

a)

increases

b)

decreases

c)

stays the same

24.

As the frequency increases, the wavelength ___________.

a)

increases

b)

decreases

c)

remains unchanged

25.

Wave speed depends on which 2 things?

a)

space

b)

medium

c)

temperature

26.

Most waves travel fastest through

a)

solid

b)

liquid

c)

gas

d)

space

27.

Most waves travel slowest through

a)

solid

b)

liquid

c)

gas

d)

space

28.

Which waves travel fastest through air or empty space?

a)

sound

b)

seismic

c)

light

d)

heat

29.

Sound waves travel faster when

a)

temperature decreases

b)

temperature increases

c)

temperatures reaminunchanged

d)

they travel through gases

30.

When calculating wave speed, you

a)

multiply the frequency and wavelength

b)

add the frequency and wavelength

c)

divide the frequency by the wavelength

d)

divide the wavelength by the frequency

31.

Energy carried by a wave is its

a)

wavelength

b)

frequency

c)

amplitude

d)

compression

32.

In a compressional wave, when the compression is more dense, the rarefaction is

a)

closer together

b)

more dense

c)

farther apart

d)

less dense

33.

A transverse wave has a ____ amplitude when the crests are shorter.

a)

higher

b)

lower

c)

in between

34.

The higher the amplitude, the higher the

a)

frequency

b)

energy

35.

Waves behave in the following ways

a)

retraction

b)

reflection

c)

diffraction

d)

refraction

36.

When a wave strikes an object and bounces off

a)

refraction

b)

diffraction

c)

retraction

d)

reflection

37.

All waves can be reflected.

a)

true

b)

false

38.

Which are examples of wave reflection?

a)

AM radio

b)

echo

c)

earthquake

d)

mirror

39.

What causes most water waves to occur?

a)

wind speed

b)

wind direction

c)

times wind blows

d)

the distance the wind travels across the water

40.

The Law of Reflection describes the relationship among the angles of

a)

incidence

b)

normal

c)

reflection

d)

mirror

41.

The angle of incidence _______ the angle of reflection.

a)

is greater than

b)

is less than

c)

is equal to

42.

What does the 1 represent?

a)

angle of reflection

b)

angle of incidence

43.

What does the 2 represent?

a)

angle of reflection

b)

angle of incidence

44.

What is the bending of a wave that is caused by a change in speed as it passes through a medium?

a)

diffraction

b)

reflection

c)

refraction

d)

rarefaction

45.

The greater the change in speed as it moves from one medium to another, the ____ the bend.

a)

smaller

b)

greater

46.

Sound travels ____ in warm air than in cold air.

a)

faster

b)

slower

c)

the same

47.

On warm days, sound bends ____________ the ground.

a)

toward

b)

away from

48.

On warm days, sound travels

a)

father than on cold days

b)

a shorter distance than on cold days

c)

the same as cold days

49.

On cold days, sound travels

a)

father than on warm days

b)

a shorter distance than on warm days

c)

the same as warm days

50.

On cold days, sound bends ____________ the ground.

a)

toward

b)

away from

51.

Air over a lake is ___, so sounds travel _______.

a)

warmer, father

b)

warmer, not as far

c)

colder, not as far

d)

colder, farther

52.

Light waves travel _______ in water than in air causing them to refract.

a)

faster

b)

slower

c)

the same

53.

When light waves travel from air to water, the refracted ray bends ___ the normal.

a)

toward

b)

away from

54.

Occurs when an object causes a wave to change direction and bend around an object.

a)

refraction

b)

diffraction

c)

reflection

d)

rarefaction

55.

Occurs when a wave passes through a narrow opening.

a)

refraction

b)

rarefaction

c)

reflection

d)

diffraction

56.

The amount of diffraction depends on the size of the obstacle or opening compared to its

a)

wave speed

b)

wave frequency

c)

wave length

d)

wave period

57.

When the object and wavelength are similar, there is

a)

more bending

b)

less bending

58.

Diffraction is better when for sound waves with

a)

long wavelengths

b)

short wavelengths

c)

equal wavelengths

59.

You can hear car engines around the corner, but not the wind caused any the car because

a)

wind's sound waves have a longer wavelength

b)

the engine's sound waves have a longer wavelength

c)

wind's sound waves have a shorter wavelength

d)

the engine's sound waves have a shorter wavelength

60.

Which radio waves have better reception in a city with tall buildings?

a)

AM

b)

FM

61.

Which radio waves have longer wavelengths?

a)

FM

b)

AM

62.

Radio reception is affected in New York City because it is

a)

full of tall buildings

b)

cold

c)

known as urban canyons

d)

there are not enough towers

63.

Waves diffract, or bend, more through ________ openings.

a)

larger

b)

smaller

64.

When two waves overlap and combine to form a new wave

a)

diffraction

b)

refraction

c)

interference

d)

reflection

65.

When the crest of 2 waves arrive at the same time and place, it is ______________ interference.

a)

constructive

b)

destructive

66.

Constructive interference ________ amplitude.

a)

decreases

b)

increses

c)

does not change

67.

When the crest of one wave intersects the trough of a second wave, there is a ____________ in amplitude.

a)

increase

b)

decrease

c)

no change

68.

Noise cancelling headphones are an example of ___________ interference at work.

a)

constructive

b)

destructive

69.

A special wave pattern that forms when a wave with equal frequencies and amplitudes travel toward each other & continuously interfere

a)

wavelength

b)

frequncy

c)

standing wave

d)

period

70.

Resonance is when an object is made to absorb ____________ at its natural _______________.

a)

frequency, energy

b)

sunlight, source

c)

energy, frequency

d)

waves, frequency

71.

In resonance, an object can be destroyed by absorbing too much energy.

a)

true

b)

false