Sounds with frequencies below the range of human hearing are called
Sound Flashcard Review
Flashcard
•
Science
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
infrasound.
2.
FLASHCARD QUESTION
Front
Frequency is measured in_____________.
Back
Hertz.
3.
FLASHCARD QUESTION
Front
A reflected sound wave is called an
Back
echo.
4.
FLASHCARD QUESTION
Front
Sound is a disturbance that
Back
does travel through a medium.
5.
FLASHCARD QUESTION
Front
What could cause you to NOT hear an echo?
Back
soft material.
6.
FLASHCARD QUESTION
Front
What is the range of human hearing?
Back
20 Hz to 20,000 Hz.
7.
FLASHCARD QUESTION
Front
What is resonance in sound?
Back
The amplification of sound when an object vibrates at its natural frequency.
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