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Chapter 6

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Total cards: 24•Content version: v3•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

the form of energy detected by our ears

Back (Answer)

sound

#2
Front (Question)

sound is carried by

Back (Answer)

waves

#3
Front (Question)

sounds needs a

Back (Answer)

medium

#4
Front (Question)

speed of sound depends on these two things

Back (Answer)

temperature and density of the medium

#5
Front (Question)

sound travels at _____ in air

Back (Answer)

338 m/s

#6
Front (Question)

sound travels at _____ in water

Back (Answer)

1500 m/s

#7
Front (Question)

sound travels at _____ in wood

Back (Answer)

3850 m/s

#8
Front (Question)

sound travels at _____ in iron

Back (Answer)

5955 m/s

#9
Front (Question)

speed and temperature have a ______ relationship

Back (Answer)

Direct

#10
Front (Question)

speed and density have a ______ relationship

Back (Answer)

direct

#11
Front (Question)

pitch and frequency have a ______ relationship

Back (Answer)

direct

#12
Front (Question)

pitch is

Back (Answer)

how high or low a tone sounds to our ears

#13
Front (Question)

frequency is

Back (Answer)

the amount of cycles per second of the sound wave

#14
Front (Question)

frequency is measured in

Back (Answer)

Hertz (Hz)

#15
Front (Question)

young children can hear from

Back (Answer)

20 to 20000 Hertz

#16
Front (Question)

as we age our eardrums become less elastic and the ____ is reduced

Back (Answer)

upper limit of frequency

#17
Front (Question)

wavelength and frequency have a ______ relationship

Back (Answer)

indirect

#18
Front (Question)

waves that are too low for us to hear are called

Back (Answer)

infrasonic waves

#19
Front (Question)

waves that are too high for us to hear are called

Back (Answer)

ultrasonic waves

#20
Front (Question)

the response of your ear to the intensity of a sound wave is called

Back (Answer)

loudness

#21
Front (Question)

loudness is measured in

Back (Answer)

decibels

#22
Front (Question)

the threshold of hearing is

Back (Answer)

0 decibels

#23
Front (Question)

normal conversation is

Back (Answer)

60 decibels

#24
Front (Question)

the threshold of pain is

Back (Answer)

120 decibels