What is Sound?
Pitch
Volume
Random
100
Sound is a(n) _?_ that is made of vibrations that can be heard when it reaches your ear.
energy
100
Write a definition for pitch
how high or loud a sound is
100
Write a definition for volume
how loud or soft/quiet a sound is
100
the tightness of an object
tension
200
What is sound made of?
vibrations
200
What type of pitch would produce the sound waves in the image?
high pitch
200
What two things can change the volume of a sound?
distance and force
200
when sound bounces of an object
echo
300
What are the two main properties of sound?
pitch and volume
300
Give an example of an object that produces a high pitch and low pitch.
Answers vary
300
Draw what a sound wave would look like with a high volume.
300
Which object will produce a louder volume? (see presentation)
Object R
400
True or false: Sound can travel through any material and space!
False
400
What three things can change the pitch of an object?
length, thickness, and tension
400
Dave is ordering concert tickets, but he doesn't want to sit where the music is too loud. Where should Dave sit during the concert?
Closer to the back
400
Which string will produce a low pitch? Explain your answer.
String 1 - it is looser
500
Why can sound not be heard in space?
Space doesn't have any atmosphere - no molecules for sound to travel through
500
Mary is playing the guitar, but she wants to make the pitch lower. How can she do this?
Loosen the guitar strings
500
Describe the difference between the sound wave of an object that makes a loud sound to an object that make a soft sound.
Loud sound wave - tall in height
Soft sound wave - short in height
500
Which bar will create the lowest sound? (see presentation)
Bar A