Sound - 5th Grade
This set covers terms in VA SOL 5.2
Terms in this set (22)
Form of energy produced and transmitted by vibrating matter.
Back and forth motion of the molecules as the wave travels
A wave that moves through matter where the molecules move backward and forward in the direction in which the wave is traveling
Area of a sound wave where the particles are closer together
Area of a sound wave where the particles are further apart
The amount of energy in a compression (longitudinal) wave and is related to volume
How loud the sound is, related to amplitude
The note (if singing or playing an instrument) that is made, related to frequency of the wave
How often a wave passes by a point - changes the pitch. Faster frequence=higher pitch
Sound travels through Solid
Sound travels faster and further through this medium because the particles are really close together
Sound travels through Liquid
Sound travels through this medium faster than gas but slower than solid
Sound travels through Gas
Sound travels slower through this medium because the particles are really far apart.
A group of wind instruments made by brass or other metal, played by blowing, or buzzing, into cup or funnel shaped mouth piece, examples include the trumpet and euphonium (baritone).
flute oboe, clarinet, and bassoon; played by blowing past one or two thin slivers of bamboo that vibrate (reed).
Instruments that produce a tone when struck
Sound in Space?
There is no matter to vibrate so sound cannot travel through it (however, light can travel here)
Sound in a Vacuum?
There are no molecules to vibrate. This could include space or an area where all matter--including air-- has been removed (like in the jar in the picture)
Sound used by Bats?
These use sound to "see" their surroundings in air by bouncing sound waves off of solid objects
Sound used by Whales?
These animals send sound from their melon (part of their head) to bounce off of objects. When the sound returns to them, they can figure out what is nearby.
Scientists (and fishermen too) use sonar to bounce sound waves underwater to determine objects and landforms
Sounds made by melon (head) of some animals will hit and object and return to the animal which lets them know something is nearby
When sound is reflected off an object, it will return but sounds like the sound is repeating...repeating...repeating
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THIS SET IS OFTEN IN FOLDERS WITH...
Grade 5 VS.3a-3g
Grade 5 Science 5.1-5.4