How Sound Travels 1
Which type of matter does sound travel the fastest through?
solid
Sound travels as a ____________ wave.
compression / longitudinal
If a sound has a high frequency, then it has a ____ pitch.
high
The drum makes sound by striking it, which creates vibrations.
Explain how a sedimentary rock forms.
Sediments are glued together and compressed over a long period of time.
If two meteors crashed into each other in space, would we be able to hear it? Why or why not?
No, because sound cannot travel through space. There is no matter/air for the sound to travel through.
The amount of space between two compressions or two rarefactions is called a ___________.
wavelength
the thicker rubber band
How does a violin make sound differently than a flute instrument?
The violin instrument has to be plucked, and the flute instrument is blown into with air.
What type of matter change is occurring when a gas turns into a liquid?
condensation
Which object would allow sound to travel the fastest? a desk, a water bottle, a balloon
a desk
In sound waves, energy is transferred through —
a. vibrating matter
b. space
c. electrons
a. vibrating matter
How does the vibration in a higher pitched object differ from the vibrations of a lower pitched object?
The higher pitched object will be vibrating more than the lower pitched object.
Name two instruments that produce sound through vibrating air.
the constant(s)
Which type of matter does sound travel the slowest through? Why?
Gas, because the molecules are the most spread out. It takes longer for the sound to reach the molecules.
Name these objects in order from fastest to slowest in producing sound. water, air, table
table, water, air
True or False: Amplitude determines the pitch of a sound.
False: Amplitude determines the loudness or quietness of a sound. Frequency determines the pitch of a sound.
Describe how you could makes drums to make different pitches.
You could have three different sizes of drums. You could also make the drums out of different materials.
Name an example of energy transforming from electrical to mechanical.
plugging in a fan, plugging in a blender, heating up food in a microwave, etc.
As sound waves travel, parts of the waves are bunched close together. This is called —
a compression
Describe how SONAR works. How is it useful?
SONAR is what ships use to detect the depths of the ocean below. SONAR is helpful because it can detect shallow waters, as well as large groups of fish or objects.
How would you describe the frequency and pitch of a baby crying?
high frequency, high pitch
On a guitar, which string would produce the highest pitch?
the thinnest, tightest string
What is an example of a mixture?
trail mix, cereal with milk, vegetable soup