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WorksheetsWave Patterns and Information Transfer
Total questions: 16
Worksheet time: 8mins
_______ works by the bouncing of sound waves off and object and measuring the time the echoes take to return.
echo
reflection
sonar
echolocation
What animals does NOT us echolocation?
bats
dolphins
whales
bears
Are radio waves used by several current communication devices?
Yes
No
When you hear the reflection of your voice, you are hearing a ______.
pitch
echo
sound wave
noise
A sound wave with a high frequency has _____________.
more wavelengths in a given amount of time
fewer wavelengths in a given amount of time
tall waves
short waves
A sound wave with a high pitch will have a low frequency.
Yes
No
Sound energy travels in ________.
strings
beams
pulses
waves
The reason sounds are not heard in space are because ________
space is too cold
there is too much matter
space is a vacuum with few particles
energy cannot move in space
What is the height of a sound wave called?
amplitude
altitude
fequency
length
Echos are sound waves that are ________.
absorbed
reflected
surfed
transmitted
The pitch of a sound is found by measuring the ________.
crest height
distance
trough depth
frequency
Crests are the highest points of a wave.
Yes
No
The distance from crest to crest on a sound wave is _______.
wavelength
trough
crest
amplitude
What is frequency?
the loud and quiet
the number of vibrations in second
the height of the wave
the high and the low
How do sound waves travel?
in a straight path to your ear
back and fourth from the source
upward from the source
outward in all directions
A type of communication that uses short and long signals to represent letters is called _____________.
Morse code
echolocation
computer programming
binary code
