Science -- Sound Flashcards
What is an African thumb instrument called?
kalimba
What is a musical instrument made from a set of bars or tubes of different lengths?
xylophone
The ability to identify sounds and tell sounds apart is called _____.
sound discrimination
What is a “shaking, back-and-forth movement” called?
vibration
Something that detects, responds to, or hears a sound is a _____.
sound receiver
Fast vibrations produce _____ pitched sounds.
high low
high
A long object has a _____ pitch and vibrates _____.
a. low, slowly
b. high,quickly
c. low, quickly
d. high, slowly
a. low pitch and vibrates slowly
Anything that vibrates in a way that makes a sound, like a voice, is a _____.
sound source
Slow vibrations produce _____pitched sounds.
high low
low
What describes how high or low a sound is?
pitch
A short object has a _____ pitch and vibrates _____.
a. low, slowly
b. high,quickly
c. low, quickly
d. high, slowly
b. high pitch and vibrates quickly
Sound requires 3 things. Name them.
- source
- receiver
- a medium (solid, liquid, or gas) to travel through
What is the flap of flesh and cartilage that directs sound vibrations to the inner ear called?
outer ear
Sound vibrations in the inner ear are transmitted as messages to the _____ by _____.
transmitted to the brain by nerves
What is “a force applied to an object trying to pull it apart” called?
tension
What are an object’s properties? (There are 5 of them.)
look, feel, sound, taste, and smell
What can collect and focus sound energy to amplify it at the source or receiver?
a megaphone
What is defined as “how loud a sound is”?
volume
What is a “kalimba”?
an African thumb instrument
What is a “xylophone”?
a musical instrument made from a set of bars or tubes of different lengths
What is “sound discrimination”?
a. a shaking, back-and-forth movement
b. something that detects, responds to, or hears a sound
c. the ability to identify sounds and tell sounds apart
d. all of the above
c. the ability to identify sounds and tell sounds apart
What is “vibration”?
a. a shaking, back-and-forth movement
b. something that detects, responds to, or hears a sound
c. the ability to identify sounds and tell sounds apart
d. all of the above
a. a shaking, back-and-forth movement
What is a “sound receiver”?
a. a force applied to an object trying to pull it apart
b. something that vibrates slowly
c. the ability to identify sounds and tell sounds apart
d. something that detects, responds to, or hears a sound
d. something that detects, responds to, or hears a sound
What is “pitch”?
a. a solid, liquid, or gas medium for sound to travel through
b. a property of an object
c. how loud a sound is
d. describes how high or low a sound is
d. pitch describes how high or low a sound is
