Light bulbs
Upcoming SlideShare
Loading in...5
×
 

Light bulbs

on

  • 636 views

 

Statistics

Views

Total Views
636
Views on SlideShare
635
Embed Views
1

Actions

Likes
0
Downloads
7
Comments
0

1 Embed 1

http://www.fremdpltw.com 1

Accessibility

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

Light bulbs Light bulbs Presentation Transcript

  • LightBulbs
    By Matt Muhs and KcHutmacher
    Period 3
  • When was the first light bulb invented?
    Thomas Edison created the first light bulb in 1879.
    BUT, Humphrey Davy created the first light in 1800.
  • Who invented the first light bulb?
    Humphrey Davy created the first light using an arc lamp.
    The arc lamp took to much power for use in residential houses.
    They use arc lamps in lighthouses because they are super bright.
    Edison bought the idea of the light bulb from to inventors and patented it.
    View slide
  • What materials were originally used to make the light bulb?
    Humphrey Davy connected wires to a battery and a piece of charcoal, which made an intense spark. This became known as the electric arc lamp.
    Thomas Edison then used a filament housed in a glass vacuum bulb. He then passed electricity through this which lit the bulb.
    View slide
  • How was Edison’s light bulb originally made?
    Edison used a carbon filament that burned for forty hours.
    The carbon filament was put in an oxygen-less glass bulb.
  • What improvements to the light bulb have been made over the years?
  • Why were such improvements made?
  • Who uses the product?
    Light can be used to keep food warm using a heat lamp.
    They can be used to incubate chickens.
    They can also be found in lighthouses.
  • Works Sited
    Who Invented the light bulb?. (2007). Retrieved from http://www.professorshouse.com/your-home/decorating-design/who-invented-light-bulb.aspx
    Who Invented the light bulb?. (2008). Retrieved from http://www.google.com/imgres?imgurl=http://media.readersdigest.com.au/dynamic/92/22/57/GB_light_bulbcrop.jpg&imgrefurl=http://www.readersdigest.com.au/discovery-channel-mag/who-invented-the-light-bulb/article91603.html&usg=__PdtAScjF8zCLFfrs62nQi7rwBkw=&h=352&w=520&sz=10&hl=en&start=138&zoom=1&tbnid=JTnCyMzjDIMmkM:&tbnh=126&tbnw=148&prev=/images%3Fq%3Dlight%2Bbulb%26um%3D1%26hl%3Den%26safe%3Dactive%26sa%3DN%26rls%3Dcom.microsoft:en-us%26biw%3D1419%26bih%3D690%26tbs%3Disch:10%2C2588&um=1&itbs=1&iact=rc&ei=lFCGTMGiKsienAey0p3sAQ&oei=wk-GTJ2wJJOKnAf5nMz4DQ&esq=8&page=5&ndsp=36&ved=1t:429,r:28,s:138&tx=40&ty=76&biw=1419&bih=690&safe=active
  • Works Sited Con’d
    Irene, G. (2009, June 30). How much Coal can a cfl save?. Retrieved from Who Invented the light bulb?. (2008). Retrieved from http://www.google.com/imgres?imgurl=http://media.readersdigest.com.au/dynamic/92/22/57/GB_light_bulbcrop.jpg&imgrefurl=http://www.readersdigest.com.au/discovery-channel-mag/who-invented-the-light-bulb/article91603.html&usg=__PdtAScjF8zCLFfrs62nQi7rwBkw=&h=352&w=520&sz=10&hl=en&start=138&zoom=1&tbnid=JTnCyMzjDIMmkM:&tbnh=126&tbnw=148&prev=/images%3Fq%3Dlight%2Bbulb%26um%3D1%26hl%3Den%26safe%3Dactive%26sa%3DN%26rls%3Dcom.microsoft:en-us%26biw%3D1419%26bih%3D690%26tbs%3Disch:10%2C2588&um=1&itbs=1&iact=rc&ei=lFCGTMGiKsienAey0p3sAQ&oei=wk-GTJ2wJJOKnAf5nMz4DQ&esq=8&page=5&ndsp=36&ved=1t:429,r:28,s:138&tx=40&ty=76&biw=1419&bih=690&safe=active
    Crane, C. (2010). Cc vivid 120v led light bulb. Retrieved from http://www.ccrane.com/lights/led-light-bulbs/cc-vivid-led-light-bulb.aspx