Sound waves

Flashcard
•
Physics
•
7th - 9th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is echolocation?
Back
Echolocation is a biological sonar used by several kinds of animals, including bats, to locate objects by emitting sound waves and listening for the echoes that return.
2.
FLASHCARD QUESTION
Front
What is a rarefaction in a sound wave?
Back
Rarefaction is the region in a longitudinal wave where the particles are spread apart, resulting in lower pressure.
3.
FLASHCARD QUESTION
Front
What factors affect the speed of sound?
Back
The speed of sound depends on the medium through which it travels and the temperature of that medium.
4.
FLASHCARD QUESTION
Front
What is frequency in the context of sound waves?
Back
Frequency is the number of wavelengths that pass a point each second, measured in Hertz (Hz).
5.
FLASHCARD QUESTION
Front
What happens to amplitude when a sound is louder?
Back
When a sound is louder, the amplitude of the sound wave increases.
6.
FLASHCARD QUESTION
Front
Define wavelength in sound waves.
Back
Wavelength is the distance between two consecutive points of the same phase in a wave, such as crest to crest or trough to trough.
7.
FLASHCARD QUESTION
Front
What is pitch in relation to sound?
Back
Pitch is the perceived frequency of a sound; higher frequencies correspond to higher pitches.
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