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Waves, Light and Sound

Total questions: 75

Worksheet time: 19hrs 45mins

Name
Class
Date
1.

A WAVE is

a)

move one's hand to and fro in greeting or as a signal

b)

style (hair) so that it curls slightly.

c)

a long body of water curling into an arched form and breaking on the shore.

d)

A repeating motion that travels through a medium

2.

Define WAVELENGTH

a)

a person's ideas and way of thinking, especially as it affects their ability to communicate with others

b)

The distance between neighboring crests, troughs or any equivalent points of a wave

c)

The highest part of a wave

d)

The time required for a single event to occur

3.

Define CREST

a)

a substance through which waves can travel

b)

the lowest part of a wave

c)

the highest part of a wave

d)

distance a wave travels

4.

A wave that moves a medium in a direction PERPENDICULAR to the direction the wave travels is called a -

a)

reflected wave

b)

transverse wave

c)

surface wave

d)

longitudinal wave

5.

If a wavelength decreases, what happens to the sound?

a)

it has a lower pitch

b)

it would get louder

c)

it would have a higher pitch

d)

it would get softer

6.

True or false. The longer the wavelength and the shorter the amplitude, the more quiet the sound will be.

a)

true

b)

false

7.

The shorter the wavelength and the shorter the amplitude makes for a

a)

lower pitch

b)

higher pitch

8.

True or false. Sound travels faster than light.

a)

false

b)

true

9.

What do sound waves need to travel through?

a)

medium

b)

vacuum

c)

wave

d)

light

10.

When a wave moves PARALLEL to the direction the wave travels, it is a

a)

surface wave

b)

transverse wave

c)

longitudinal wave

d)

reflected wave

11.

True or false. Bats and dolphins are similar because they both produce sounds and listen for echos to locate objects.

a)

true

b)

false

12.
Which color has the highest frequency?
a)
red
b)
orange
c)
green
d)
blue
13.

Which color of light has the lowest frequency?

a)

red

b)

violet

c)

orange

d)

yellow

14.
What is happening in this picture?
a)
The water is making the pencil bigger
b)
the water is refracting (bending) the pencil
c)
the water is refracting (bending) the light to make the pencil look bent
d)
light is being absorbed
15.

Sound travels far more quickly than a student sleeping during an exam, but it travels most quickly through...

a)

cold water

b)

stainless steel

c)

cold air

d)

warm air

16.

When you are being pursued by the police for stealing a candy bar from Head's Grocery Store with the blue lights flashing and the sound of the siren is being driven toward you making the pitch increase. The sounds waves are...

a)

at a higher frequency.

b)

at the same frequency.

c)

at a lower frequency.

d)

at a decreasing frequency.

17.

When I see you out of area, your image is inverted onto my retina by...

a)

my cone cells and rod cells

b)

my hair cells

c)

a concave lens

d)

a convex lens

18.

You know how when you are taking forever in the bathroom because you and your bestie are staring at yourselves in the mirror and Mrs. Droegmiller hollers into the bathroom that it is time to go with her voice bouncing off the walls. Relate the two events.

a)

reflection

b)

refraction

c)

absorbtion

d)

diffraction

19.

When Whiplash creates waves at a constant speed by continuously flipping his hair out of his eyes, the frequency increase as

a)

amplitude decreases

b)

amplitude increases

c)

wavelength decreases

d)

wavelength increases

20.

When Shahid colors his hands red like roses, you see red due to the fact that

a)

red light is absorbed.

b)

red light is reflected

c)

red light reaches the hand.

d)

eyes see only red when all others are filtered out.

21.

Which invention is based on echolocation by animals?

a)

telephone

b)

mircrowave

c)

sonar

d)

radio

22.

Do you see the smoke or hear the shot first and why?

a)

hear first; too long to hear the sound

b)

see; can't hear if you can't see the pistol

c)

hear; sound travels faster than light

d)

see; light travels faster than sound

23.

A represents

a)

amplitude

b)

crest

c)

equilibrium or rest postion

d)

wavelength

24.

Human eyes respond to a narrow range of wavelengths of electromagnetic waves including

a)

ultraviolet light

b)

infrared llight

c)

visible light

d)

compressional light

25.

Transverse waves have crest and troughs. Longitudinal waves have:

a)

reflections and echoes

b)

compressions and rarefactions

c)

dopplers and diffraction

d)

anivls and stirrups

26.

the faster something vibrates, the ____________________ its pitch

a)

slower

b)

longer

c)

lower

d)

higher

27.

What do all waves transmit

a)

matter

b)

water

c)

energy

d)

sound

28.

Pitch is a measure of

a)

how fast a baseball is coming towards you

b)

how slow a vibration moves through a solid

c)

how high or low a sound is perceived to be

d)

how quiet or loud a sound is

29.

Decibels are the most common units used to measure

a)

loudness

b)

media

c)

pitch

d)

longitudinal waves

30.

The Doppler Effect is noticed in which of the following situations

a)

when a car with its honking horn moves towards you and then drives away

b)

when birds fly in formation, and the goose at the front is honking

c)

when a drum is struck hard

d)

when sound does not travel in a vacuum

31.

The number of waves produced in a given amount of time is the wave's

a)

amplitude

b)

wave speed

c)

wave length

d)

frequency

32.

A light wave is both a(n)

a)

longitudinal wave and transverse

b)

transverse and electromagnetic

c)

electromagnetic and stagnant waves

d)

opaque and transverse wave

33.

What kind of wave can pass through a vacuum

a)

electric

b)

mechanical

c)

energy

d)

electromagnetic

34.

A medium is

a)

a wave

b)

the blind spot at the back of the eye

c)

the middle part of the ear

d)

a substance through which matter can travel

35.

What is G on the transverse wave

a)

wavelength

b)

crest

c)

trough

d)

amplitude

36.

What is J on the transverse wave

a)

crest

b)

rest position

c)

wavelength

d)

trough

37.

What is H on the transverse wave

a)

crest

b)

amplitude

c)

trough

d)

rest position

38.

What is F on the transverse wave

a)

trough

b)

wavelength

c)

amplitude

d)

crest

39.

What is the dotted line on the transverse wave

a)

amplitude

b)

wavelength

c)

rest position

d)

trough

40.

•The combination of two or more waves that results in a single wave.

a)

Reflection

b)

Refraction

c)

Sound waves

d)

Interference

41.

A lens that is thicker in the middle that at the edges

a)

Convex

b)

Concave

c)

Reflection

d)

Tripod

42.

•A change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening.

a)

reflection

b)

refraction

c)

diffraction

d)

convex

43.

•The bending of a wave as it passes between two substances in which the speed of the wave differs.

a)

reflection

b)

refraction

c)

diffraction

d)

convex

44.

•A lens that is thinner in the middle that at the edges.

a)

Convex

b)

Concave

c)

Reflection

d)

Tripod

45.

•An observed change in the frequency of a wave when the source or observer is moving.

a)

reflection

b)

Doppler effect

c)

pitch

d)

radar effect

46.

•The maximum distance that the particles of a wave’s medium vibrate from their resting position.

a)

pitch

b)

frequency

c)

wavelength

d)

amplitude

47.

•A longitudinal wave that is caused by vibrations and that travels through a material medium.

a)

transverse wave

b)

sound waves

c)

electromagnetic waves

48.

the faster something vibrates, the ____________________ its pitch

a)

slower

b)

longer

c)

lower

d)

higher

49.

Transverse waves have crest and troughs. Longitudinal waves have:

a)

reflections and echoes

b)

compressions and rarefactions

c)

dopplers and diffraction

d)

anivls and stirrups

50.
This wave has the second highest frequency on the spectrum. 
a)
microwaves
b)
visible light
c)
x-rays
d)
gamma ray
51.
Put the visible light colors in order from longest wavelength to shortest wavelength
a)
Violet, Indigo, Blue, Green, Orange, Yellow, Red
b)
Red, Yellow, Green, Orange, Violet, Blue, Indigo
c)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
52.
All electromagnetic waves have the same...
a)
frequency
b)
speed
c)
wavelength
d)
energy
53.
During a space walk, an astronaut lets go of a tool, causing it to float away and bounce off the ship.  Why does the astronaut see but NOT hear it?
a)
light travels through a vacuum but sound does not
b)
light waves cannot travel through a vacuum but sound waves do
c)
neither sound nor light can travel through a vacuum
54.
What do you get if you combine all of the colors in visible light?
a)
bright light
b)
white light
c)
brilliant light
d)
neon light
55.
Wax paper is ---
a)
opaque
b)
translucent
c)
transparent
56.
Which of the following is sound unable to travel through?
a)
vacuum/space
b)
gas/air
c)
liquid/gasoline
d)
solid/metal
57.
Opaque objects either reflect or absorb all light waves that hit them.  The color you see, is the color that is ________________.
a)
absorbed
b)
reflected
c)
transmitted
d)
all of the above
58.
Translucent objects transmit and scatter the light waves that hit them.  If you see a color in a translucent object, the object _________________ this color
a)
transmits
b)
reflects
c)
absorbs
d)
none of the above
59.
When a light ray bends as it passes through a lens, what type of behavior does it demonstrate?
a)
reflection
b)
refraction
c)
dispersion
d)
absorption
60.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
61.
A wave can make a leaf bob up and down on the water, but it cannot move the leaf toward the shore.  This is because waves only transfer
a)
MATTER
b)
ENERGY
c)
MEDIA
d)
CREST
62.
A light ray reflects from a mirror.  If the ray strikes the mirror at an angle of 30° with the normal, the reflected ray would leave at an angle of ____.
a)
60°
b)
90°
c)
120°
d)
30°
63.
Noise cancelling headphones take advantage of what process to reduce background noise?
a)
destructive interference
b)
constructive interference
c)
diffraction
d)
refraction
64.
Slow, long vibrations create ___________ pitches
a)
High
b)
Low
c)
Quiet
d)
Loud
65.
The more energy a sound has the _____ it is.
a)
Low
b)
Quieter
c)
Louder
d)
Funnier
66.

Waves that can travel only through a medium are called

a)

Mechanical waves

b)

Electromagnetic waves

c)

Transverse waves

d)

Longitudinal waves

67.

How does the energy of wave near the center compare with the energy of a wave farther away from the center?

a)

The energy of the wave near the center is greater

b)

The energy of all the waves is the same

c)

The energy of the wave far away from the center is greater

d)

None of these is correct

68.

What is a wave front?

a)

It's the distance between crests of a transverse wave

b)

It's the distance between troughs of a transverse wave

c)

It's the maximum displacement from the equilibrium position of matter moving because of the wave

d)

It's what happens when waves spread out in circles as they move farther from the center of disturbance

69.

Imagine a person in a pool float at the beach. She is riding up and down on the waves. She starts timing when she's in a wave trough. It takes her five seconds to be in a trough again. What is the period of this wave?

a)

Two and a half seconds

b)

Five seconds

c)

Ten seconds

d)

We don't know

70.

What is the relationship between period and frequency?

a)

They are the same thing

b)

One is the reciprocal of the other

c)

One is twice the other

d)

One is half the other

71.

An ocean wave has a wavelength of 15 meters. Its period is 10 seconds. What is the wave's speed?

a)

1.5 m/s

b)

5 m/s

c)

25 m/s

d)

150 m/s

72.

What is another way to find the speed of a wave?

a)

Frequency divided by wavelength

b)

Frequency times wavelength

c)

Frequency plus wavelength

d)

Frequency minus wavelength

73.

A wave on a string moves at 12 m/s. Its wavelength is 3 m. What is its frequency?

a)

4 Hz

b)

9 Hz

c)

15 Hz

d)

36 Hz

74.

The amplitude of a sound wave primarily controls what?

a)

The intensity (loudness) of the sound

b)

The pitch of the sound

c)

Both these things

d)

Neither of these things

75.

Why do we see rainbows after storms?

a)

There are water droplets in the atmosphere

b)

Light bends as it travels between air and water

c)

Different wavelengths of light bend at slightly different angles

d)

All these things are true