Wave your hands in the air like you just don’t care
The distance between the crest and the resting point of a wave is____
Amplitude
A music note has a frequency of 440Hz. The speed of sound at your altitude is 350m/s. The wavelength is_____?
.8m
Type of wave used to transmit cell phone signals
Microwaves
When light travels through a medium and changes speed, it bends. This is _____________
Refraction
This states that the angle of incidence = the angle of reflection.
Law of Reflection.
When the motion of the medium is perpendicular to the direction of the energy of the wave_____
A Whistle has a frequency of 25,000Hz. The speed of sound at your altitude is 331m/s. The wavelength is _____?
.013m
Visible white light contains?
All colors in the rainbow
Sound typically travels fastest through a solid because ___________________
When all light is absorbed, this is the color we see.
Black
When wavelength decreases then frequency_____
Increases
Ocean wave‘s wavelength is 2.5m.passes a buoy at 4.0m/s. Frequency is _____?
1.6Hz
Joseph's shirt looks red because?
His shirt is reflecting red and absorbing every other color. (molecules in the shirt vibrate at frequencies that resonate with all colors but red so it is reflected)
Sound waves are caused by the vibration of molecules. These molecules move in the same direction as the energy of the wave. This type of wave is called _______________________.
longitudinal
When all light is reflected, this is the color that we see.
White
_____ waves transfer energy through empty space
EM
A drum sound has a wavelength of 110m and a speed of 24,200m/s. The frequency is _____?
220Hz
Radio and TV transmission use?
Radio waves
These 2 parts of a wave indicate it's energy levels.
Frequency and Amplitude
This happens to the colors within white light that are not seen after they hit a substance.
Absorption
Any substance that a wave moves through_____
A medium
A wave with a frequency of 60.0Hz travels through steel with a wavelength of 85.5m. The speed of the wave is _____?
5130m/s
To kill germs and sterilize science goggles, we use?
Ultra violet waves OR Gamma waves
This part of a wave indicates how loud a sound is.
Amplitude
Which part of the EM spectrum travels at the speed of light?
All of them. (They are all types of light, we just can't see most of them.)