Vocab
What is a trough?
the lowest point of a transverse wave
Where is a compression found?
On a longitudinal wave.
Ocean waves would be considered a ________ wave?
Mechanical or transverse wave.
What is a wave?
a disturbance that transfers energy, not matter
What is a rarefaction?
a part in a longitudinal wave where the particles are spread apart
Give an example of the type of medium sound can travel through.
Through the air (gas), through a solid (wall), etc.
If a wave has long, low wavelengths, is there more or less energy?
Less energy.
Define medium.
any substance a wave moves through
the number of complete wavelengths that pass a point in a given time
Frequency
Lower energy equals _________ volume and amplitude.
Lower volume and amplitude
Which type of wave can travel through space?
Electromagnet (light)
What is the wavelength of a wave?
the distance between 2 corresponding parts of a wave
How much energy a wave has, distance from resting position to top of crest or to the bottom of the trough.
Amplitude
Higher amplitude equals __________ sound and __________ energy.
Louder sound and more energy
Define transverse wave.
particle motion is up and down; wave travels at right angles, perpendicular
What is it called when you put a pencil in a glass of water and it looks bent or broken?
Refraction
Define Longitudinal wave.
particle motion is side to side; wave travels sideways
Give a characteristic of a mechanical wave.
Has to have a medium to travel through.
Describe the Difference between High amplitude vs low amplitude on a wave. What will the wave look like?
high = taller, low = shorter
Why does a pencil look broken when placed in a glass of water?
The pencil entered a new medium (water) and it slowed the light waves.