What is sound?
8.2 Sound Lessons 1-6 Review

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Sound is a type of energy made by vibrations that travel through the air (or another medium) and can be heard when they reach a person's or animal's ear.
2.
FLASHCARD QUESTION
Front
What is amplitude in sound waves?
Back
Amplitude refers to the height of the sound wave, which determines the loudness of the sound. Higher amplitude means louder sound.
3.
FLASHCARD QUESTION
Front
Define frequency in the context of sound.
Back
Frequency is the number of vibrations or cycles that occur in a sound wave per second, measured in Hertz (Hz).
4.
FLASHCARD QUESTION
Front
What is pitch?
Back
Pitch is the perceived frequency of a sound; it determines how high or low a sound is.
5.
FLASHCARD QUESTION
Front
What is the relationship between frequency and pitch?
Back
Higher frequency corresponds to a higher pitch, while lower frequency corresponds to a lower pitch.
6.
FLASHCARD QUESTION
Front
What does it mean if two sounds have the same amplitude?
Back
If two sounds have the same amplitude, they are perceived to be at the same loudness level.
7.
FLASHCARD QUESTION
Front
What is the speed of sound?
Back
The speed of sound is the distance that sound waves travel in a given amount of time, typically around 343 meters per second in air at room temperature.
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