Lesson 3: Artificial Light Flashcards
What is an Incandescent Light?
A light bulb that produces light by making a wire extremely hot which generates light
The thing that produces the light is made from tungsten which creates light when an electric current passes through the wire and makes it really hot.
(the light bulbs are illegal in california)
What is a Fluorescent Light?
A light bulb that makes light by using fluorescense, aka when light is produced when a substance absorbs a very small wave of light such as a gamma ray and then turns the light wave into a visible light source
What is Neon Light?
light made by electroluminescense but contains neon or other gasses
What is Vapor Light?
light produced by electroluminescense nut has. small amount of sodium, mercury, or other various gasses
What is LED Light?
Gives off visible light when an electric current flows through the light conductor.
Very reliable
Produces the entire spectrum of light
Which light bulbs use the most energy?
Incandescent light bulbs
Which light bulbs are the most reliable?
Mainly LED light but also flourescent light and neon
Why would some people prefer LED light over incandescent or fluorescent light bulbs?
Because LED’s are very reliable and because fluorescent light is dangerous if it breaks and incandescent light takes up too much energy
How do neon lights produce light?
electroluminescense
What chemical is in incandescent light?
Phosphor is the chemical that is used to give off the light
