Electromagnetic Spectrum
True or false: Light waves need a medium
False
True or false: Sound waves need a medium
True
What describes how many times a wave goes through a given point in a measured amount of time?
Frequency
What comes before red on the spectrum?
Infrared
The more frequent a wave is, the more ______ it has.
Energy
Describe a transverse wave...
A wave that oscillates perpendicularly to the direction of the wave's advance. (opposite to a longitudinal wave.)
What is known as the height of a wave
Amplitute
what comes after violet on the spectrum?
Ultraviolet
Radio waves travel about how far in 1second?
300 yards or three football fields
Frequency tells you______ about a sound wave...
The type of wave/color
When a light wave hits a mirror, what happens
Reflection
which form of wave gives the most energy and the shortest wavelength?
Gamma rays
What is refraction?
The change in direction of a wave that happens when the waves change speed while moving from one medium to another.
Amplitude tells you______ about a sound wave...
It's intensity.
white light is a combination of ___ the visible colors?
ALL
Which type of electromagnetic waves do most organisms transmit?
Infrared waves.
what is a longitudinal wave?
wave where the displacement of the medium is in the same direction as the direction of the travelling wave.
What is interference?
when waves overlap and combine, forming a new one.