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Waves/Info Transfer

Wave Patterns and Information Transfer

QuestionAnswer
A repetition of a specific sound produced by reflection of sound waves from a surface echo
A system of representing a letter, digit, or other character using 0's and 1's binary code
The process of writing a computer program in a language that can be used by computers coding
The process of finding an object by using reflected sound echolocation
A method of communication that uses short and long signals to represent letters Morse Code
The medium in which the speed of sound travels the fastest solid
The medium in which the speed of sound travels at a medium speed liquid
The medium in which the speed of sound travels the slowest gas
Why can't sound travel through space? There is no medium in space' space is a vacuum with few particles
In which directions do sound waves travel? ALL!
High frequency = __________ pitch high
High amplitude = ________ volume high
How do we communicate using radio waves? In cell phones, radio towers and satellites
What do whales, bat and dolphins use to orient themselves to find food? echolocation
The bouncing of sound waves off an object and measuring the time that echos take to return is called what? sonar
What do computers use to transmit information? binary code
True or False: A computer program will only work on the computer on which it is written. false
How do computers send messages? patterns of 0's and 1's
How does sound energy travel? waves
What devices are used to transmit information using Morse Code? telegraph, flashlight and pencil/paper
What determines the pitch of sound? frequency
A sound wave with a _______ pitch will have a low frequency. low
What is the height of a sound wave called? amplitude
What uses ultrasound, or high frequency sound waves, to produce images of the inside of the human body? sonography
As the amplitude of a sound ____________, its volume increases. increases
A sound wave with a long wavelength will have a __________ frequency. lower
The high point of a wave is called what? crest
The low point of a wave is called what? trough
What is halfway between the crest and the trough? resting point
The distance between one crest or trough to the next is called what? wavelength
Created by: Laurazilinek
 

 



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