Sound Vocabulary 1
A test used to discover new information about a question.
Experiment
The height of a wave.
Amplitude
The way sound travels in an up-and-down pattern.
Sound wave
Vibrations push near-by air molecules back and forth creating ________________ waves.
Longitudinal
A high amplitude creates a ____________ sound.
Loud
A measure of how many waves go by you in a set amount of time.
Frequency
The distance between two points of a wave
Wavelength
An empty space without any air.
Vacuum
When sound waves from an object (like a triangle) pushes into the air, the air molecules get pushed together making a _______________.
compression
High frequency creates a high ____________.
Pitch
How loud a sound is, measured by the height of a sound wave.
Volume
A pretend version of something that scientists use when the real thing is too big, small, or complicated to work with.
Model
Vibration
A low amplitude creates a ___________ sound.
Quiet
Sound can be ______________ off of soft surfaces where they don't reflect.
absorbed
The invisible gas that surrounds the Earth
Air
A part of the ear that vibrates to help us hear sounds.
Eardrum
Sound is a wave or ________________ traveling through material or matter that can be heard.
Vibration
When the sound wave pulls back from its vibration, the air molecules pull back too, creating a _______________.
Rarefaction
Sounds can ______________ by bouncing off of hard surfaces.
Echo
A device that can show what sound waves look like.
Oscilloscope
How high or how low a sound is when you hear it.
Pitch
Sound moves by _____________ moving from where the sound began.
molecules
A sound wave is a ___________ of ____________ molecules.
chain; vibrating
Which material allows the sound to travel the smallest distance to the greatest distance.
a. Water
b. Steel
c. Air
Bonus Points: I will double the points for this if you can ALSO tell me why?
Air, Water, Steel
Bonus Answer: Sound can travel further through denser matter. (Key word(s): Dense/Density)