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Topic 9 and Topic 10 Test Review

Total questions: 64

Worksheet time: 28mins

Name
Class
Date
1.

Increasing the amplitude means you are increasing the _______________ of a wave.

a)

frequency

b)

amplitude

c)

energy

d)

wavelength

2.

Waves that can travel through a vacuum and do no require a medium are called?

a)

Transverse Waves

b)

S-Waves

c)

Mechanical Waves

d)

Electromagnetic Waves

3.

What causes the refraction of a wave?

a)

the density of the medium changes the speed

b)

the amount of the medium changes the direction

c)

the color of the medium changes the speed

d)

the type of wave changes the direction

4.

When a wave bounces back, it is called?

a)

diffraction

b)

refraction

c)

transmission

d)

reflection

5.

Objects appear different in size and shape in a container of water due to ____________________________.

a)

transmission

b)

reflection

c)

absorption

d)

refraction

6.

The electromagnetic waves with the highest frequencies are called?

a)

radio waves

b)

gamma rays

c)

x-rays

d)

visible light

7.

The electromagnetic waves with the longest wavelengths are called?

a)

radio waves

b)

microwaves

c)

gamma rays

d)

x-rays

8.
Which type of wave does sound travel in?
a)
Transverse
b)
Longitudinal
9.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
10.
Light is a kind of.....
a)
reflection
b)
energy
c)
heat
d)
matter
11.
Which of these describes how light travels through an empty space?
a)
It travels straight but may change direction to avoid objects.
b)
It changes direction often even if there are no objects. 
c)
It comes to a stop after it travels a certain distance. 
d)
It travels in a straight line without stopping. 
12.
If a black and white car were in the parking lot all day. Compare the temperatures of the two cars.
a)
The black car would be cooler.
b)
The white car would be hotter.
c)
The black car would be hotter.
d)
They would be the same
13.

This leaf will

a)

Reflect green light

b)

Absorb green light

c)

Reflect red light

d)

Reflect no light

14.

Which has more energy than visible light?

a)

Microwaves

b)

Radio waves

c)

Infrared light

d)

Gamma rays

15.

Which has less energy than visible light?

a)

Radio waves

b)

Gamma rays

c)

X-Rays

d)

UV light

16.

Latif wakes up one morning and sees that it is foggy outside.Whcih term best describe the fog he sees

a)

Opaque

b)

Reflective

c)

Transparent

d)

Translucent

17.

During a thunderstorm, Sanjay saw lightning and then heard thunder 5s later.Why did he see the lightning before he heard the thunder

a)

Sound travel faster than light

b)

Light travel faster than sound

c)

He would have seen the thunder and lightning at the same time

d)

There is no reason

18.
Sound waves travel the FASTEST through _____________.
a)
gases
b)
liquids
c)
solids
19.
If a sound has a high amplitude then it also has a ____________!!!
a)
fast echo
b)
slow pitch
c)
high volume
d)
low volume
20.
Sound is a form of? 
a)
energy
b)
pitch
c)
volume
21.

Sound does not travel in space because

a)

Distance is too far away.

b)

There is no matter in space.

c)

It is too dark.

d)

Space has planets.

22.
Sound travels through the air as waves.
a)
True
b)
False
23.

Matter that carries sound waves is called a _________

a)

particle

b)

object

c)

medium

d)

matter

24.

What is Pitch?

a)

How loud or soft a sound is.

b)

Muscle that holds vocal cords.

c)

Movement back and forth.

d)

How high or low a sound is.

25.

______________ sounds have a larger amplitude

a)

Quiet

b)

Loud

26.

What are the four parts of fiber optic communication?

a)

Transmitter, optical fiber, amplifier, receiver

b)

Transmitter, optical fiber, data, optical connectors

c)

Optical fiber, data, optical connectors, receiver

d)

Optical fiber, optical connectors, optical splices, data

27.
What is the most prominent use of Fiber Optics today?
a)
Phones
b)
Television Screens
c)
The Internet
d)
MRI imaging
28.
How do Fiber Optics work?
a)
By connecting and transferring energy
b)
By remitting and subtracting power from other fiber optics
c)
By using light pulses to transfer data
d)
By converting sound waves in to binary code
29.
How does light travel through the cable?
a)

Longitudinal transmission

b)

Absorption

c)

Dispersion

d)

Total Internal Reflection

30.

What increases the amount of information transmitted by fiber optic cables?

a)
increasing the length
b)
using plastic instead of glass in the cable
c)
increasing the number of fibers
d)
using fewer optical amplifiers along the cable
31.

There are over a million km of fiber optics in the ocean floor to connect continents.

a)

True

b)

False

32.

What kind a wave is pictured?

a)

Analog wave

b)

Digital wave

c)

Radio wave

d)

Microwave

33.

What kind a wave is pictured?

a)

Analog wave

b)

Digital wave

c)

Radiowave

d)

Microwave

34.
Is this digital or analog?
a)
Digital 
b)
Analog
35.
What is true about a digital signal?
a)
They are easily distorted or affected by interference
b)
They take up more space
c)
They require more information
d)
They are generally considered more reliable
36.
An analog signal is sent in Discrete pulses in two states, on= 1 or off= 0.
a)
True
b)
False
37.
Is this digital or analog?
a)
Digital 
b)
Analog
38.
Is this digital or analog?
a)
Digital 
b)
Analog
39.
Is music playing from a record an analog or digital signal?
a)
Analog
b)
Digital
40.
The string of 1s and 0s that control a computer is called _____ code.
a)
binary
b)
dichotomous
c)
Morse
d)
two-number
41.

The picture shows an example of what kind of signal?

a)

Analog

b)

Digital

42.
Smooth and continuous data
a)
analog
b)
digital
c)
pulse
d)
binary
43.

What types of waves can travel through empty space AND mediums?

a)

Longitudinal

b)

Mechanical

c)

Electromagnetic

44.

Which of the following is a mechanical wave?

a)

X-ray

b)

Infrared

c)

Radio waves

d)

Sound

45.

What medium do sound waves travel fastest through?

a)

Solids

b)

Liquids

c)

Gases

46.

The height of a wave from its resting point (B).

a)

Frequency

b)

Wave speed

c)

Wavelength

d)

Amplitude

47.

The length of a wave, from crest to crest or trough to trough. (D)

a)

Frequency

b)

Wave speed

c)

Wavelength

d)

Amplitude

48.

The number of waves passing a given point each second is:

a)

Frequency

b)

Wave speed

c)

Wavelength

d)

Amplitude

49.

What is the correct formula for wave speed?

a)

Wave speed = frequency x wavelength

b)

Wave speed = amplitude x wavelength

c)

Wave speed = amplitude x period

d)

Wave speed = frequency x period

50.

As wavelength decreases, the crests of the wave:

a)

become wider

b)

become shorter

c)

get closer together

d)

get farther apart

51.

If a wave has a long wavelength, it will have __________ energy.

a)

High

b)

Medium

c)

Low

52.

If a wave has a high frequency, it will have __________ energy.

a)

High

b)

Medium

c)

Low

53.

If a wave has a high amplitude, it will have __________ energy.

a)

High

b)

Medium

c)

Low

54.
In longitudinal waves, the parts where the coils are spread apart are called what?
a)
rarefactions
b)
compressions
c)
mechanicals
d)
longitudes
55.
In a longitudinal wave, the parts where the coils are close together are called what?
a)

longitudes

b)

rarefactions

c)

compressions

d)

refractions

56.

What is the frequency of this model wave?

a)

10 waves per second

b)

3 waves per second

c)

6 waves per second

d)

2 waves per second

57.

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.

58.

Which of the following is NOT an advantage of fiber optic communication?

a)

much larger information-carrying capacity

b)

communication is more valuable and important

c)

requires fewer amplifiers than copper-cable system

d)

capacity not bothered by electrical interference

59.

The region of the Electromagnetic Spectrum where color can be seen is called visible light. Which of the following is correct?

a)

The lowest frequency is red and the highest is violet

b)

The highest is red and the lowest is violet

c)

green has the highest frequency

d)

Yellow has the highest frequency.

60.

A _____________ is any disturbance that transmits energy.

a)

Amplitude

b)

Frequency

c)

Transverse

d)

Wave

61.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
62.
What is this called?
a)

refraction

b)

reflection

c)

rarefraction

d)

magic

63.

Which wave has the longest wave length?

a)

top wave

b)

bottom wave

64.

Which wave in the diagram has the greatest frequency?

a)

1

b)

2

c)

3

d)

4

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