- Slides: 30
Jeopardy Mainly Vocabulary Section 1 Section 2 Section 3 $100 $200 $300 $400 $500 Miscellaneous $100 $200 $300 $400 $500
A longitudinal wave created by vibrations What is a sound wave?
the complete back and forth motion of an object (particles) What is vibration?
How low or high a sound seems to be What is pitch?
A unit used to measure the loudness of a sound What is decibel?
The higher the pitch, the higher the ____. What is frequency
True or False, Sound waves travel in all directions from their source. True!
A measurement about of how well a sound can be heard What is loudness?
This part of the ear contains liquid and small hairs that if they are damaged cannot repair themselves. What is the cochlea?
Earplugs, listening at a lower volume when using head phones, and moving away from loud sounds What are things you can do to protect your hearing
Loudness of a sound is also called… What is amplitude?
Sound waves pass through this in the ear separating the outer ear from the middle ear What is the ear drum?
the number of waves that are made in a given amount of time. What is frequency?
Sound will move slower through _____ than _____. What are gas/liquid… liquid/solid…examples
The _____ the amplitude, the louder the sound. What is larger/higher?
If a honking car drove by you as you were standing on the sidewalk, the pitch would go from ____ to ____. What is from high to low?
a reflected sound wave What is an echo?
Beluga whales, dolphins, bats, and some kinds of birds use this technique to navigate. What is echolocation?
Ultrasonography uses these to “see” a patient’s organs or unborn baby What are echoes?
Technology used to locate objects underwater What is sonar?
This is what SONAR stands for. What is sound navigation and ranging?
a vibrating guitar string causes a glass to vibrate What is a resonance?
the apparent raising and lowering of pitch when a moving sound source pass by you What is Doppler effect?
this carries electrical signals from the ear to the brain What is auditory nerve?
unit used to measure pitch What is Hertz?
Instrument used to graph sound waves into transverse waves What is an oscilloscope?
Name the famous mathematician that created the idea of an observed change in the frequency of a wave when the source or observer is moving. Who is Doppler? (1803 -1853)