Sound Partner Practice 1. How are sounds produced?
1. Sounds are produced when vibrations
(rapid back and forth movement) travel
through a medium.
2. What is a medium?
2. A medium is any solid, liquid, or gas
through which a wave is transmitted.
3. What are the four basic
properties of waves?
3. The four basic properties of waves are
amplitude, wavelength, frequency, ​and
speed.
4. What is an object’s ​frequency​?
4. The ​frequency​ of an object is the number
of times the object vibrates in one second.
5. What is a ​wavelength​?
5. A ​wavelength​ is the distance from one
crest to the next.
6. What does ​pitch​ mean and what
property of sound affects it?
6. Pitch​ is how high or how low a musical
note sounds. ​Frequency​ affects ​pitch.
7. What is an object’s ​resonance​?
7. An object’s ​resonance ​is the tendency for
an object to vibrate at the same frequency
as another sound source.
8. What three things affect an
object’s ​timbre​ (sound
quality)?
8. An object’s ​timbre​ (sound quality) is
affected by its ​size, type of material, ​and
shape.
9. How does sound travel through
the three states of matter?
9. Sound travels ​fastest​ through ​solids​, then
liquids​, and ​slowest​ through ​gases​.
10. How does the ear let us hear
sound?
10. The ​outer ear​ funnels sound waves. The
middle ear ​transmits the waves inward.
The ​inner ear​ converts sound waves into
a form your brain can understand.
11. What is ​amplitude​ and how
does it affect sound?
11. Amplitude​ is a measure of how
compressed the medium becomes. The
greater the ​amplitude ​(intensity), the
louder the sound.