# data[].attributes.body
Which will you hear as the highest pitch?

a)sound wave with frequency of 10,000 Hz

b)sound wave with frequency of 50 Hz

c)sound wave with frequency of 15,000 Hz

d)sound wave with frequency of 30,000 Hz

# data[].attributes.body
Complete:

A change in pitch or wave frequency due to a moving wave source is an instance of the ..................................................

# data[].attributes.body
Determine which will change if you turn up a radio’s volume: wave velocity, intensity, pitch, frequency, wavelength, loudness

# data[].attributes.body
Fill in the blanks using the available answer choices.

The following diagrams show a low-amplitude and a high-amplitude sound-wave.

a. Which diagram represents a loud sound?

b. Which diagram represents a soft sound?

Blank 1 options a)Low Amplitude b)High Amplitude

Blank 2 options a)Low Amplitude b)High Amplitude

# data[].attributes.body
Match each region of the ear to its purpose.

Middle ear / Inner ear / Outer ear

amplifies sound waves

converts sound waves to nerve impulses

gathers sound waves