Waves
What type of wave moves up and down?
transverse wave
Why can you see light in space?
Light waves do not require a medium
How many regions are on the EM spectrum?
7
What does it mean to absorb?
take in
What is an example of microwaves?
microwave ovens
What type of wave moves back and forth?
longitudinal wave
Can light have different effects on materials?
Yes
What is an example of UV light?
the sun, tanning beds, blacklight
What does it mean to transmit?
to pass through
What is an example of radio waves?
TV, radios, cell phones
What is frequency of a wave?
the number of wave repetitions in a given time
What type of wave are light waves?
transverse
What is the shortest wavelength on the EM Spectrum?
shortest-gamma
Red, green, blue
What is the longest wavelength on the EM Spectrum?
radio waves
What is wavelength?
The distance between two crests of a wave
What does light carry?
energy
Infrared waves are electromagnetic energy that give off what?
heat
What happens when you combine all colors of light?
you get white light
Which has higher energy and frequency-x-rays or uv light?
x-rays
What happens to the wavelength as frequency increases?
The wavelength decreases
What are the four behaviors of light?
Absorption, reflection, transmission, refraction
The EM spectrum is divided into different regions, in order of?
decreasing wavelength, increasing energy and frequency
What is light?
electromagnetic radiation that can be perceived by the human eye
What is the order of the 7 regions of the EM spectrum in order of increasing frequency?
radio, microwaves, infrared, visible light, uv, x-ray, gamma rays