Quiz about Waves, Energy, & Information

Question 1

What property of the wave is represented by the letter "B"?

Accepted Answer

amplitude

Answer

crest

Answer

trough

Answer

wavelength

Question 2

The highest point on a wave is:

Accepted Answer

the crest

Answer

the trough

Answer

the top

Answer

the coast

Question 3

The lowest point on a wave is the:

Accepted Answer

Trough

Answer

Amplitude

Answer

Crest

Answer

Wavelength

Question 4

Which vocabulary term is used to identify the distance between points C & G?

Accepted Answer

Wavelength

Answer

Amplitude

Answer

Crest

Answer

Frequency

Question 5

Which letter(s) represent the trough of the wave?

Accepted Answer

D

Answer

A

Answer

B & D

Answer

C & G

Question 6

Which letter(s) represent the crest of the wave?

Accepted Answer

B & F

Answer

A

Answer

B & D

Answer

F

Question 7

To transmit means to

Accepted Answer

send

Answer

go to lunch

Answer

go west

Answer

call

Question 8

Amplitude is the distance between

Accepted Answer

the crest or trough and the middle point of the wave

Answer

the crest and the trough

Answer

each wave

Answer

the middle point of a wave and the clouds

Question 9

The distance from one crest to the next crest in a wave is

Accepted Answer

wavelength

Answer

crest

Answer

trough

Answer

amplitude

Question 10

To put information in digital code form is to

Accepted Answer

digitize

Answer

computerize

Answer

scramble

Answer

GPS

Question 11

The trough is the

Accepted Answer

lowest part of a wave

Answer

highest point in a wave

Answer

the wavelength

Answer

the distance between each crest

Question 12

What property of this wave is represented by the letter "A"

Accepted Answer

wavelength

Answer

amplitude

Answer

crest

Answer

trough

Question 13

What property of the wave is represented by the letter "B"?

Accepted Answer

amplitude

Answer

crest

Answer

trough

Answer

wavelength

Question 14

The highest point on a wave is:

Accepted Answer

the crest

Answer

the trough

Answer

the top

Answer

the coast

Question 15

The number of wavelengths that pass a point each per second is:

Accepted Answer

frequency

Answer

period

Answer

longitudinal

Answer

transverse wave

Question 16

When the frequency of a wave increases, what happens to the wavelength?

Accepted Answer

The wavelength decreases.

Answer

The wavelength is not directly affected by the frequency of a wave.

Answer

The wavelength increases.

Answer

More specific information is needed to form a conclusion about the wavelength.

Question 17

Which wave in the diagram has the greatest frequency?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 18

Which wave in the diagram has the greatest wavelength?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 19

What type of waves have compressions and rarefactions?

Accepted Answer

longitudinal

Answer

transverse

Question 20

Which part of a longitudinal wave is where particles are packed closely together?

Accepted Answer

compression

Answer

rarefaction

Answer

crest

Answer

amplitude

Question 21

As the ___________ of a wave increases, the _____________ of a waves decreases.

Accepted Answer

frequency; wavelength

Answer

amplitude; crest

Answer

wavelength; crest

Answer

frequency; amplitude

Question 22

Based on the evidence from the wave patterns, what will most likely happen if Tia moves the ruler up and down at a slower pace?

Accepted Answer

The wavelength will increase.

Answer

The amplitude will increase.

Answer

The frequency will increase.

Answer

The crests will increase.

Question 23

Choose two places where the bird could see its own reflection.

Accepted Answer

window

Accepted Answer

birdbath

Answer

lawn

Answer

feeder

Answer

nest

Question 24

Tanner is creating a prism model. What two things should the model be able to do for it to function correctly as a prism?

Accepted Answer

refract white light

Accepted Answer

separate white light into colors

Answer

change white light into waves

Answer

increase the frequency of light

Question 25

Which two devices receive and transmit digital signals?

Accepted Answer

computer

Accepted Answer

cell phone

Answer

prism

Answer

violin

Question 26

The ________________ of a sound wave can be _________________ and sent long distances with radio waves.

Accepted Answer

pattern; converted to digital code

Answer

medium; hard to interpret

Answer

color; changed with lasers

Answer

speed; detected by the ear

Question 27

Which statement best describes the impact that digital technology has had on communication?

Accepted Answer

Digital technology has increased the distance and speed of communication.

Answer

Digital technology has increased the time and direction of communication.

Answer

Digital technology has decreased the space and distance of communication.

Answer

Digital technology has decreased the distance and speed of communication.

Question 28

Figure 1 represents _______________ signal.

Accepted Answer

analog

Answer

digital

Question 29

Figure 2 represents ______________ signal.

Accepted Answer

digital

Answer

analog

Question 30

A __________ can hear a smaller range of frequencies than a ___________.

Accepted Answer

bird; human

Answer

bat; snake

Answer

porpoise; cricket

Answer

bird; snake

Question 31

Select two receivers in the system.

Accepted Answer

Both mobile TV phones

Answer

The TV network satellite uplink and the repeater tower

Answer

The repeater tower and one mobile TV phone

Answer

Both repeater towers

Question 32

Which part of the diagram is the antenna?

Accepted Answer

Repeater tower

Answer

Mobile TV phone

Answer

TV network satellite uplink

Answer

Satellite relay

Question 33

What interaction happens at the satellite relay?

Accepted Answer

The digital code is received by satellite and transmitted to a network.

Answer

The digital information is decoded and changed into TV pictures and sound.

Answer

The code is received by the network and sent to the receiver.

Answer

Pictures and sound are changed into a digital code.

Question 34

What interaction happens at the repeater tower?

Accepted Answer

The code is received by the network and sent to the receiver.

Answer

The digital information is decoded and changed into TV pictures and sound.

Answer

The digital code is received by satellite and transmitted to a network.

Answer

Pictures and sound are changed into a digital code.

Question 35

What interaction happens at the TV network satellite uplink?

Accepted Answer

Pictures and sound are changed into a digital code.

Answer

The digital information is decoded and changed into TV pictures and sound.

Answer

The code is received by the network and sent to the receiver.

Answer

The digital code is received by satellite and transmitted to a network.

Question 36

What interaction happens at the mobile TV phone?

Accepted Answer

The digital information is decoded and changed into TV pictures and sound.

Answer

The code is received by the network and sent to the receiver.

Answer

The digital code is received by satellite and transmitted to a network.

Answer

Pictures and sound are changed into a digital code.

Question 37

How is the flag system like a radio system?

Accepted Answer

Both systems send signals that are decoded by a receiver.

Answer

Both systems use digital signals in a short range from an antenna.

Answer

Both systems receive sound waves converted into a signal.

Answer

Both systems change digital signals into analog information.

Question 38

Are radio waves used by several current communication devices?

Accepted Answer

Yes

Answer

No

Question 39

A sound wave with a high frequency has _____________.

Accepted Answer

more wavelengths in a given amount of time

Answer

fewer wavelengths in a given amount of time

Answer

tall waves

Answer

short waves

Question 40

A sound wave with a high pitch will have a low frequency.

Accepted Answer

No

Answer

Yes

Question 41

Sound energy travels in ________.

Accepted Answer

waves

Answer

strings

Answer

beams

Answer

pulses

Question 42

The reason sounds are not heard in space are because ________

Accepted Answer

space is a vacuum with few particles

Answer

space is too cold

Answer

there is too much matter

Answer

energy cannot move in space

Question 43

What is the height of a sound wave called?

Accepted Answer

amplitude

Answer

altitude

Answer

fequency

Answer

length

Question 44

The pitch of a sound is found by measuring the ________.

Accepted Answer

frequency

Answer

crest height

Answer

distance

Answer

trough depth

Question 45

What is frequency?

Accepted Answer

the number of vibrations in second

Answer

the loud and quiet

Answer

the height of the wave

Answer

the high and the low

Question 46

A type of communication that uses short and long signals to represent letters is called _____________.

Accepted Answer

Morse code

Answer

echolocation

Answer

computer programming

Answer

binary code

Question 47

a pattern of dots and dashes, each one making up a letter or number

Accepted Answer

Morse code

Answer

binary code

Answer

pixels

Answer

bits

Question 48

How does a cell phone send a picture to another cell phone?

Accepted Answer

It codes the picture into digital information.

Answer

It changes the picture into text.

Answer

It sends the picture through sound waves.

Answer

It downloads the picture into light waves.

Question 49

Digital devices use _____ to send and transmit information.

Accepted Answer

binary code

Answer

Morse code

Answer

pixels

Answer

bits

Question 50

A remote control sends signals to a television through:

Accepted Answer

light waves

Answer

sound waves

Answer

wires

Answer

binary code

Question 51

A clear, bright image has:

Accepted Answer

lots of pixels

Answer

very few pixels

Answer

lots of data

Answer

binary code

Question 52

What invention made it possible to communicate across long distances with electricity and Morse code?

Accepted Answer

telegraph

Answer

telephone

Answer

television

Answer

email

Question 53

Images are made of millions of tiny dots called:

Accepted Answer

pixels

Answer

Morse code

Answer

binary

Answer

bits

Question 54

Cell phones convert sound waves into ____, which are sent from tower to tower.

Accepted Answer

radio waves

Answer

light waves

Answer

sound waves

Answer

Morse code

Question 55

A form of communication over long distances used by Native Americans and Chinese soldiers.

Accepted Answer

smoke signals

Answer

Morse code

Answer

hieroglyphics

Answer

drums

Question 56

What is amplitude?

Accepted Answer

the height of a wave

Answer

the distance from the beginning of one part of a wave to the same spot on the next wave

Answer

energy

Question 57

How do you find a waves wavelength?

Accepted Answer

the distance from the beginning of one part of a wave to the same spot on the next wave

Answer

the height of a wave

Answer

use a ruler

Question 58

Do waves carry energy?

Accepted Answer

Yes, you CAN see the objects moving on a wave.

Answer

No, you CAN NOT see objects moving on a wave.

Question 59

What type of device was Morse Code invented for?

Accepted Answer

telegraph

Answer

cellphones

Answer

the internet

Question 60

What is needed to start a wave?

Accepted Answer

energy

Answer

water

Answer

a slinky

Question 61

How could a flashlight be used to communicate?

Accepted Answer

by flashing the light on and off using a code

Answer

it can't be used to communicate

Answer

by flashing it

Question 62

How could a drum be used to communicate?

Accepted Answer

by tapping or banging on it using a code

Answer

it can't

Answer

by hitting it

Question 63

How do cell phones work?

Accepted Answer

a phone uses code to translate the information being sent or received

Answer

using morse code

Answer

using sound waves

Question 64

Does this picture correctly identify the amplitude and wavelength of the wave?

Accepted Answer

Yes

Answer

No

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