1. Types of lights
Jack Urban

2. Fluorescent lights Glass tube filled with Mercury Low Pressure
Phosphorus substance inside tube
Electric current runs through:
Gets Hot
Glows
Electrons hit Mercury atoms which produce UV light
Saves Energy

3. LED Lights
Produce light by having an electronic current pass through the material with illuminates the light
Has different colors
Popular because its very efficient

4. Incandescent lights Most common lights used in homes
AKA “screw-in A type light bulb”
Most inefficient light bulb
Light bulbs with thicker filaments:
Last longer
Not energy efficient

5. Halogen lights They are the energy-saving incandescent lights
More expensive to buy than incandescent lights
Less expensive to run than incandescent lights (Due to its efficacy)
Has color renditions
Often used in lamps

6. The Compact Fluorescent Bulb
Most efficient light
The Compact Fluorescent Bulb

7. Environmental Concerns
Incandescent lights:
Use too much heat
LED lights:
Contain too much Mercury
CFL:
Most efficient
Don’t use too much heat
No mercury

8. Works Cited
"Are Compact Fluorescent Light Bulbs Good for the Environment?." Fox News. N.p., 8 Nov Web. 7 Mar < 0,2933,309220,00.html>. "Energy-Efficient Lighting." eartheasy.com. N.p., n.d. Web. 7 Mar < eartheasy.com/live_energyeff_lighting.htm>. "Fluorescent Light Mystery Solved At Last." Cornell Center for Materials Research. N.p., 10 Dec Web. 7 Mar < education/ask/index.html?quid=167>.

9. Works Cited
"Incandescent Lighting." energy.gov. N.p., n.d. Web. 7 Mar <energy.gov/ energysaver/articles/incandescent-lighting://>. "LED Lights." edisontechcenter.org. N.p., n.d. Web. 7 Mar < edisontechcenter.org/LED.html>. "The Dark Side of LED Lightbulbs." Scientific American. N.p., n.d. Web. 7 Mar < lightbulb-concerns>.