WorksheetsUnit 2 - Waves and Information Technology
Total questions: 40
Worksheet time: 50mins
What is transferred from place to place by waves?
matter
energy
particles
waves
What does this picture represent?
wavelength
echolocation
amplitude
peak
When energy increases, amplitude _______?
increases
decreases
stays the same
When placed in water, a ball moves from one place to another with the waves.
True
False
Waves are a pattern of motion that transfer energy.
True
False
To put information in digital code form is to
computerize
scramble
GPS
digitize
To transmit means to
go to lunch
send
go west
call
An oscilloscope is a machine that gives a picture of a sound wave. Low-pitched sounds have long wavelengths, and high-pitched sounds have short wavelengths. Which sound shown has the highest pitch?
Which wave is carrying more energy and why?
2 - highest amplitude
1 - low frequency
3 - high frequency
3 - shortest amplitude
compare the wavelengths
1 has a longer wavelength
1 has a shorter wavelength
2 has a lower frequency
1 and 2 are the same height
Which sound wave has the longest wavelength?
Which diagram of a sound wave represents the sound with the highest pitch?
What might happen to an object sitting on top of a speaker if loud music is played through the speaker?
Absolutely nothing would happen to the object.
The object could move due to the vibrations of the sound.
The object could appear a different color because the sound is absorbed.
The object could stop the sound from being transmitted out of the speaker because sound cannot travel through a solid.
If you pluck a guitar string, it vibrates and creates a sound. In order to stop the sound, you could...
blow on the string.
pluck a different string.
place your hand on the string to stop the vibration.
pluck the same string again.
Which of the following best explains why vibrations from a thick rubber band make a lower-pitched sound than vibrations from a thin rubber band?
The thick rubber band is shorter.
The thick rubber band is longer.
The thick rubber band moves faster.
The thick rubber band moves slower.
Suppose that a violin string makes sound waves that are close together. The sound waves do not have a lot of energy. What kind of sound will you hear?
A loud sound with a low pitch
A loud sound with a high pitch
A soft sound with a low pitch
A soft sound with a high pitch
____________ is how high or low a sound is.
Vibration
Amplitude
Pitch
Wave
These are two sound waves. A tuba has a low pitch sound. Which wave would represent a tuba?
Wave A (Top)
Wave B (Bottom)
A note is played on a guitar. Next, a lower note is played on the guitar. Which of these statements describes the lower note?
Both notes vibrated at the same speed
The second note vibrated slower
The second note vibrates at a higher frequency
The second note vibrated faster
What is not creating vibration with sound?
A cup of water
A speaker playing music
Someone playing a bass guitar
A person talking
True or false? Vibrations travel down the string to get from one end of the paper cup telephone?
True
False
Between waves B and D, which is louder?
Wave B
Wave D
Which two devices receive and transmit digital signals?
prism
computer
cell phone
violin
Which diagram shows the wavelength of a wave?
The highest part of the wave is called the _______________.
Amplitude
Wavelength
Trough
Crest
_________________________ is the distance between a point on one wave and the identical point of the next wave.
Amplitude
Frequency
Crest
Wavelength
A beach ball is floating on the ocean surface far from the shore. Ocean waves cause the beach ball to move. Which of the following best describes this motion of the beach ball?
forward
back and forth
up and down
sideways
a pattern of dots and dashes, each one making up a letter or number
Morse code
binary code
pixels
bits
How does a cell phone send a picture to another cell phone?
It changes the picture into text.
It sends the picture through sound waves.
It downloads the picture into light waves.
It codes the picture into digital information.
What does the word "Transmit" mean?
To receive something from one place to another
To pass something from one place to another
To prevent something from moving
To create something new
What is the main cause of waves at the beach?
A) The sun
B) The wind
C) The ocean
D) The moon
