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Physical Science Unit Test

Total questions: 101

Worksheet time: 2hrs 23mins

Name
Class
Date
1.
a longitudinal wave that can travel only through matter
a)
Sound Wave
b)
Longitduinal Wave
c)
Transverse Wave
d)
Mechanical Wave
2.
the distance between one point on a wave and the nearest point just like it
a)
Frequency
b)
Amplitude
c)
Speed
d)
Wavelength
3.
the number of times the pattern repeats in a given amount of time
a)
Frequency
b)
Amplitude
c)
Speed
d)
Wavelength
4.
the position a medium takes if there were no wave through it
a)
Resting Position
b)
Crest
c)
Trough
d)
Compression
e)
Rarefaction
5.
a material in which a wave travels.
a)
Medium
b)
Longitudinal Wave
c)
Transmission
d)
Absorption
6.
the highest point of a wave
a)
Resting Position
b)
Crest
c)
Trough
d)
Compression
e)
Rarefaction
7.
the lowest point of a wave
a)
Resting Position
b)
Crest
c)
Trough
d)
Compression
e)
Rarefaction
8.
a disturbance that transfers energy from one place to another without transferring matter.
a)
Pitch
b)
Intensity
c)
Diffraction
d)
Wave
9.
a wave that can travel only through matter.
a)
Transverse Wave
b)
Light Wave
c)
Mechanical Wave
d)
Intensity
10.
the bouncing of a wave off a surface.
a)
diffraction
b)
reflection
c)
absorption
d)
proportional
11.
the transfer of energy from a wave to the medium through which it travels.
a)
diffraction
b)
reflection
c)
absorption
d)
transmission
12.
the passage of a wave through a medium.
a)
diffraction
b)
reflection
c)
absorption
d)
transmission
13.
a wave in which the disturbance is perpendicular to the direction the wave travels.
a)
Transverse Wave
b)
Longitudinal Wave
c)
Sound Wave
d)
Mechanical Wave
14.
a wave in which the disturbance is parallel to the direction the wave travels.
a)
Transverse Wave
b)
Longitudinal Wave
c)
Sound Wave
d)
Mechanical Wave
15.
the maximum extent of the repeating quantity from equilibrium.
a)
Loudness
b)
Intensity
c)
Pitch
d)
Amplitude
16.

What type of wave is picture here?

a)

transverse wave

b)

longitudinal wave

c)

compression wave

d)

rarefaction wave

17.

What do we call the parts of this wave that are all spread out?

a)

transverse wave

b)

longitudinal wave

c)

compressions

d)

rarefactions

18.

What do we call the parts of this wave that are close together?

a)

transverse wave

b)

longitudinal wave

c)

compressions

d)

rarefactions

19.

Which type of wave is pictured above?

a)

transverse wave

b)

longitudinal wave

c)

slinky wave

d)

crest wave

20.

What do we call the part of the wave labeled with a #1?

a)

crest

b)

trough

c)

wavelength

d)

compression

21.

What do we call the part of the wave labeled with a #2?

a)

crest

b)

trough

c)

wavelength

d)

compression

22.

What do we call the part of the wave labeled with a #3?

a)

crest

b)

trough

c)

wavelength

d)

amplitude

23.

What do we call the part of the wave labeled with a #4?

a)

crest

b)

trough

c)

wavelength

d)

amplitude

24.

Which wave has a greater amplitude?

a)

top

b)

bottom

25.
What kind of wave is pictured?
a)
Transverse Wave
b)
Longitudinal Wave
c)
compressional wave
d)
none of the above
26.
What kind of wave is pictured?
a)
Transverse
b)
Longitudinal
c)
surface
d)
none of the above
27.

What is the amplitude of the wave?

a)

3 cm

b)

8 cm

c)

16 cm

d)

24 cm

28.

What is the wavelength of the wave?

a)

3 cm

b)

8 cm

c)

16 cm

d)

24 cm

29.

Which wave has a more amplitude?

a)

A

b)

B

30.

What is the energy for a wave with an amplitude of 2 meters?

a)
16
b)
4
c)
2
d)
8
31.

What is the energy for a wave with an amplitude of 10?

a)
1
b)
50
c)
1000
d)
100
32.

electromagnetic radiation that you can see.

a)

sound wave

b)

light or light wave

c)

longitudinal wave

d)

google wave

33.

an object that reflects an image

a)

carpet

b)

grass

c)

mirror

d)

glue

34.

a material through which light does not pass.

a)

reflect

b)

refract

c)

transmit

d)

opaque

35.

route light travels as straight lines except at surfaces between

a)

path

b)

wave

c)

mirror

d)

lens

36.

a material that allows most of the light that strikes it to pass through, but through which objects appear blurry.

a)

opaque

b)

translucent

c)

transparent

d)

mirror

37.

the change in direction of a wave as it changes speed in moving from one medium to another.

a)

reflect

b)

transparent

c)

transclucent

d)

refract

38.

a material that allows almost all of the light striking it to pass through and through which objects can be seen clearly

a)

translucent

b)

opaque

c)

transparent

d)

refract

39.

the maximum extent of the repeating quantity from equilibrium

a)

frequency

b)

amplitude

c)

medium

d)

wavelength

40.

the bouncing of a wave off a surface.

a)

reflection

b)

amplitude

c)

medium

d)

wavelength

41.

a longitudinal wave that can travel only through matter

a)

light wave

b)

sound wave

c)

mechanical wave

d)

wavelength

42.

What is the best description of an opaque material?

a)

no light passes through the material

b)

some light passes through the material

c)

all light passes through the material

43.

What is the best description of a transparent material?

a)

no light passes through the material

b)

some light passes through the material

c)

all light passes through the material

44.

What is the best description of a translucent material?

a)

no light passes through the material

b)

some light passes through the material

c)

all light passes through the material

45.

Which pictures shows a translucent image?

a)
b)
c)
46.

Which pictures shows a transparent image?

a)
b)
c)
47.

Which pictures shows a translucent image?

a)
b)
c)
48.

What type of object is shown in the picture?

a)

opaque

b)

transparent

c)

translucent

49.

What type of object is the glass in the glasses considered?

a)

opaque

b)

transparent

c)

translucent

50.

What type of object is a mirror considered?

a)

opaque

b)

transparent

c)

translucent

51.
The light we can see. 
a)
visible
b)
gamma
c)
ultraviolet
52.
Can travel through matter (gas, liquid, solid) and empty space. 
a)
sound
b)
light
53.
What is reflection in simple terms?
a)
Soaks up light
b)
Passes through
c)
light bounces off
54.

bending of light that happens when light travels through different mediums (substances)

a)

reflection

b)

refraction

c)

diffusion

55.

what affects the speed of a wave?

a)

the medium it travels through

b)

amplitude

c)

plasma

56.

what kind of waves do NOT need a medium to travel through?

a)

electromagnetic waves

b)

mechanical waves

c)

surface waves

d)

particle waves

57.

waves with higher frequencies transmit more energy

a)

true

b)

false

58.

What color is an object that absorbs all the colors in the light spectrum?

a)

rainbow

b)

white

c)

black

d)

not visible

59.

Both light and sound can be reflected

a)

true

b)

false

60.
Glass has a _____________ index of refraction than air.
a)
Equal
b)
Greater
c)
Less
d)
Impossible to say
61.
This shows the phenomenon known as....
a)
reflection
b)
refraction
c)
mirrors
d)
focal point
62.

Light refracts when:

a)

It changes speed

b)

It changes from a particle to a wave

c)

Its density changes

d)

It encounters a solid object

63.

Why does white light from the sun form a colorful rainbow when it passes through water droplets in the atmosphere?

a)

The droplets of water in the air have different densities

b)

Different-sized water droplets refract white light at different angles

c)

The colors that make up white light refract at different angles

d)

White light diffracts when it encounters water

64.

Which images are opaque?

a)

A & C

b)

A,C,E, & F

c)

D, E, & F

d)

A & E

65.

What color of light do you get by combining red, green, and blue light?

a)

Black Light

b)

White Light

c)

Ultraviolet Light

d)

Infrared Light

66.

How would a tomato look under blue light?

a)

The tomato would seem to disappear

b)

The tomato would still appear red

c)

The tomato would appear black

d)

The tomato would appear white

67.

The primary colors of LIGHT are:

a)

red, yellow, blue

b)

yellow, cyan, magenta

c)

red, green, and blue

d)

red, orange, yellow, green, blue, violet

68.
When a pencil is put into a glass of water, it appears to be broken? Why does the pencil look broken?
a)
because the shiny glass reflects light
b)
because the water separates light into many colors
c)
because the part of the pencil outside the water casts a shadow
d)
because light rays are bent when they pass from air into water
69.

What type of wave is light?

a)

electromagnetic

b)

mechanical

70.

Why does a banana look yellow?

a)

it reflects yellow wavelengths of light and absorbs most other wavelengths

b)

it absorbs yellow wavelengths of light and reflects most other wavelengths

71.

When you see the color black...

a)

All colors are reflecting

b)

All colors are absorbed

c)

The color blacl is reflecting

d)

the color black is absorbed

72.

What color of light do you get by combining red, green, and blue light?

a)

Black Light

b)

White Light

c)

Ultraviolet Light

d)

Infrared Light

73.

How are digital and analog recordings different?

a)

digital signals are continuous

b)

analog signals are higher resolution

c)

digital signals can be better stored electronically

d)

analog signals consist of numerical values recored at a specific time interval

e)

digital signals take up more space

74.

A __________ is a piece of information that is communicated through using the senses.

a)

wave

b)

signal

c)

circuit

d)

notification

75.

To translate information into the form of code

a)

transmit

b)

encode

c)

signal

d)

encrypt

76.

The passing on, or transfer, of information

a)

transmit

b)

encode

c)

signal

d)

encrypt

77.

Change continuously over time; represented by a continuous smooth curve; can be a range of values

a)

analog signals

b)

digital signals

c)

wireless signals

d)

electric signals

78.

Is discrete and not continuous; represented by two values - either on or off

a)

analog signals

b)

digital signals

c)

wireless signals

d)

electric signals

79.

A signal to or from a computer is encoded into _________________, such as the two values - on (1) or off (0).

a)

analog signal

b)

digital signal

c)

binary numbers

d)

electricity

80.

A single unit of information in quantitative or qualitative form

a)

signal

b)

encryption

c)

data

d)

wave

81.

the unwanted modification of a signal

a)

encryption

b)

noise

c)

analog

d)

modulation

82.

What do all signals that are used to communicate have in common?

a)

They all involve light waves

b)

They all send information

c)

They all use printed words

d)

They all use a series of sounds

83.

What is a disadvantage of using radio waves to transmit information?

a)

They do not permanently move matter.

b)

They can travel over long distances.

c)

They can be varied to hold information.

d)

They lose energy as they travel through mediums.

84.

How does noise affect a signal?

a)

It causes the signal to deteriorate

b)

It amplifies the signal

c)

It allows the signal to travel further

d)

It changes the signal as it moves from one medium to another

85.

Which correctly orders the steps of communication using signals?

a)

encode, transmit, decode

b)

transmit, encode, decode

c)

decode, transmit, encode

d)

transmit, decode, encode

86.

Which of the following does NOT send or receive signals carried by electromagnetic waves

a)

cell phone

b)

radio

c)

talking in person

d)

garage door opener

87.

The following is the graph of ___________________________

a)

An analog signal

b)

A digital signal

88.

All of the following are types of electromagnetic waves that can be used to transmit signals except ________________.

a)

sound waves

b)

light waves

c)

radio waves

d)

microwaves

89.

The following is the graph of ___________________________

a)

An analog signal

b)

A digital signal

90.

An analog signal is one that changes continuously

a)

True

b)

False

91.

Computers use a series of ___________________ numbers to encode information

a)

large

b)

multiple

c)

single

d)

binary

92.

Which is the best model of an analog signal?

a)

a smooth wave

b)

a light switch going on and off

c)

a series of 1’s and 0’s

d)

a series of pulses

93.

Which best compares the reliability of analog signals and digital signals?

a)

Only analog signals are reliable

b)

Analog signals are more reliable than digital signals

c)

Digital signals are more reliable than analog signals

d)

Both types of signals are equally reliable

94.

Which best describes binary numbers?

a)

a continuously changing wave

b)

a set of two discrete values

c)

a large array of values

d)

a set of four or five numbers

95.

For which type(s) of signals does noise alter the original information?

a)

analog only

b)

digital only

c)

both analog and digital

d)

neither analog nor digital

96.
Is music playing from a record an analog or digital signal?
a)
Analog
b)
Digital
97.
Is a video game coded as analog or digital data?
a)
Analog
b)
Digital
98.
The string of 1s and 0s that control a computer is called _____ code.
a)
binary
b)
dichotomous
c)
Morse
d)
two-number
99.
Which type(s) of signal(s) can be easily corrected to remove noise?
a)
Analog
b)
Digital
c)
Both
d)
Neither
100.
How do computer hard drives and USB drives store data?
a)
Binary code
b)
Pictures
c)
Symbols
d)
Words
101.
Which type(s) of signal(s) can be transmitted as radio waves?
a)
Analog
b)
Digital
c)
Both
d)
Neither

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