Show:
Nature of Sound
Properties of Sound
Music
Hearing Sound
Using Sound
100
Sound can travel through how many states of matter?
Three
100
What unit is loudness measured in?
Decibles (dB)
100
What is an example of a stringed instrument?
Violin, Guitar, Cello, Bass, Double Bass, Banjo
100
What are two senses used to feel music?
Hearing, Touch
100
What are two examples of animals that use echolocation?
Bats and Dolphins
200
Does sound travel more quickly at higher temperatures or lower temperatures?
Higher Temperatures
200
What decibel level can cause damage to your ears?
100 dB or 140 dB
200
What are the three groups of musical instruments?
Stringed, Wind and Percussion
200
What are the three parts of your ear?
Outer, Middle, Inner
200
What are sound waves with frequencies above the range of human hearing called?
Ultrasound
300
The amount of mass or matter in a given amount of space or volume.
Density
300
Hertz (Hz) measures what?
Frequency
300
What is a set of notes that combine in patterns that are pleasing to the ear?
Music
300
What are the three bones in your middle ear in order?
Hammer, Anvil, Stirrup (HAS)
300
What is a system that uses sound waves to locate objects under water called?
Sonar
400
When one part of a vibration pushes air particles together.
Compression
400
Are high pitched sounds produced by high frequencies or low frequencies?
High Frequencies
400
What is the lowest natural frequency of an object?
Fundamental Tone
400
What are the two parts of your Outer Ear?
Ear Canal and Ear Drum
400
What is it called when animals use sound waves to determine distances or locate objects?
Echolocation
500
When one part of a vibration causes air particles to spread out.
Rarefaction
500
What explains the change that occurs in the frequency of a sound wave as it moves closer or further from the observer?
Doppler Effect
500
What are frequencies higher than the fundamental tone called?
Overtones
500
What is the final link between your ear and your brain?
Auditory Nerve
500
What frequencies to Bats send out when using echolocation?
100,000 Hertz (Hz)