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Light and Sound Waves

Total questions: 38

Worksheet time: 38mins

Name
Class
Date
1.
Light waves are arranged in the electromagnetic spectrum by
a)
wavelength and brightness.
b)
speed and color.
c)
brightness and color.
d)
wavelength and frequency.
2.

As the volume of a sound wave increases, which of these also increases?

a)
amplitude
b)
frequency
c)
velocity
d)
wavelength
3.
Which of these colors of visible light has the shortest wavelength?
a)
red
b)
green
c)
violet
d)
yellow
4.

Which type of behavior does light display when striking a transparent object?

a)

scattering

b)

reflection

c)

transmission

d)

absorption

5.

Why does this car appears red under a white light?

a)

The car is absorbing the red light and reflecting the blue and green.

b)

The car is reflecting only the red light while absorbing the blue and green.

c)

The car is absorbing the red and green light while reflecting the blue.

d)

The car is absorbing the red, blue and green, but our eyes can only see the red.

6.

Gamma Rays are

a)

High energy

b)

Low energy

c)

Medium energy

d)

Just right

7.

What is the amplitude of this model wave?

a)

20 mm

b)

5cm

c)

15cm

d)

10mm

8.

The number of times a wave passes a point in a second is its

a)

frequency.

b)

wavelength.

c)

pitch.

d)

amplitude.

9.

How do the sound waves of the higher pitch notes compare to the sound waves of the lower pitch notes?

a)

The sound waves of notes with higher pitches have higher amplitudes.

b)

The sound waves of notes with higher pitches travel at higher speed.

c)

The sound waves of notes with higher pitches have higher wavelengths.

d)

The sound waves of notes with higher pitches have higher frequencies.

10.

What happens to the speed of light as it exits the air and enters a glass of water?

a)

It speeds up

b)

It remains constant

c)

It slows down

d)

It first slows down and then speeds up

11.

There is only one fish in the fishbowl below. When Joseph looks down at the fish, the image he observes is closer to the surface than the actual location of the fish.

Which wave characteristic does Joseph’s observation demonstrate?

a)

amplitude

b)

diffraction

c)

reflection

d)

refraction

12.
The electromagnetic waves with the longest wavelengths and lowest frequencies are
a)
radio waves.
b)
infrared rays.
c)
X-rays.
d)
gammy rays.
13.

How are sound waves different from light waves?

a)

sound waves send signals to the brain through a special nerve

b)

sound waves need a medium, such as water or metal, to move through.

c)

sound waves move energy through space and time

d)

sound waves are part of the electromagnetic spectrum

14.

Which cup is opaque?

a)
b)
c)
15.

Which cup is translucent?

a)
b)
c)
16.

Which cup is transparent?

a)
b)
c)
17.
The distance between the line of origin to the top of the wave is called
a)
amplitude
b)
wavelength
c)
frequency
d)
speed
18.
If the wavelength increased, what would happen to the sound made by this wave?
a)
it would get softer
b)
it would get louder
c)
it would have a lower pitch
d)
It would have a higher pitch
19.
Which electromagnetic wave has the shortest wavelength?
a)
radio
b)
gamma
c)
visible
20.

When a wave strikes a surface and does not reflect or transmit it, it _____

a)
 is destroyed.
b)
 is absorbed.
c)
 has changed wavelength.
d)
has changed frequency.
21.
If the distance represented by the letter A were increased, how would it change the way the sound was heard?
a)
The sound would be higher. 
b)
The sound would be lower. 
c)
The sound would be softer. 
d)
The sound would be louder. 
22.
Which of the following can sound travel through?
a)
solid
b)
liquid
c)
gas
d)
all of the above
23.
Where is a place a person would hear no sound?
a)
in a cave
b)
in a forest
c)
in space
d)
in water
24.
This is a wave pattern diagram for two transverse waves.
How do the waves compare?
a)
Both waves have the same frequency.
b)
Both waves have the same wavelength.
c)
Wave 1 has a longer wavelength than Wave 2.
d)
Wave 1 has a higher frequency than Wave 2.
25.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
26.
Which diagram of a sound wave represents the sound with the highest pitch?
a)
A
b)
B
c)
C
d)
D
27.
High Amplitude =__________________
a)
Louder sounds
b)
Quieter Sounds
28.

Which of the following properties makes a light wave different from a mechanical wave?

a)

A light wave slows down in a vacuum

b)

A light wave is able to transmit energy

c)

A light wave exists as a transverse wave

d)

A light wave can travel without a medium

29.

_____?_____ materials allow ALL light waves to pass through easily.

a)

Opaque

b)

Transparent

c)

Translucent

30.

Which letter shows a wave being reflected?

a)

A

b)

B

c)

C

31.

Which letter shows a wave being transmitted?

a)

A

b)

B

c)

C

32.
Sound travels as a ___________ wave. 
a)
longitudinal
b)
transverse
c)
water
d)
slinky
33.
All electromagnetic waves have the same...
a)
frequency
b)
speed
c)
wavelength
d)
energy
34.

which of the following does NOT belong in the electromagnetic spectrum:

a)

X-ray

b)

sound wave

c)

ultra violet rays

d)

microwaves

35.
Is music playing from a record an analog or digital signal?
a)
Analog
b)
Digital
36.
Which type(s) of signal(s) can be easily corrected to remove noise?
a)
Analog
b)
Digital
c)
Both
d)
Neither
37.

Why does it take much less space to store digital information than analog information?

a)

Digital devices only record pieces of sound waves, not full waves

b)

Digital devices record sounds at lower volumes than analog devices

c)

Digital devices decrease the amplitudes of sound waves, making them smaller

d)

Digital devices automatically eliminate all background noise from the sounds they record

38.

Select all that apply: Why are digital signals more reliable than analog signals?

a)

They can be transmitted over long distances

b)

They are better for long term storage of data (pictures, music, files, etc)

c)

They are not as influenced by signal inference (noise)

d)

They are not as reliable and analog signals are supreme in all ways. (Vinyl records, physical photos and clocks)