Your SlideShare is downloading. ×
0
Light bulbs
Light bulbs
Light bulbs
Light bulbs
Light bulbs
Light bulbs
Light bulbs
Light bulbs
Light bulbs
Light bulbs
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Light bulbs

447

Published on

Published in: Education, Technology, Business
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
447
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
6
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. LightBulbs<br />By Matt Muhs and KcHutmacher<br />Period 3<br />
  • 2. When was the first light bulb invented?<br />Thomas Edison created the first light bulb in 1879.<br />BUT, Humphrey Davy created the first light in 1800.<br />
  • 3. Who invented the first light bulb?<br />Humphrey Davy created the first light using an arc lamp.<br />The arc lamp took to much power for use in residential houses.<br />They use arc lamps in lighthouses because they are super bright. <br />Edison bought the idea of the light bulb from to inventors and patented it. <br />
  • 4. What materials were originally used to make the light bulb?<br />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.<br /> Thomas Edison then used a filament housed in a glass vacuum bulb. He then passed electricity through this which lit the bulb. <br />
  • 5. How was Edison’s light bulb originally made?<br />Edison used a carbon filament that burned for forty hours.<br />The carbon filament was put in an oxygen-less glass bulb.<br />
  • 6. What improvements to the light bulb have been made over the years?<br />
  • 7. Why were such improvements made?<br />
  • 8. Who uses the product?<br />Light can be used to keep food warm using a heat lamp.<br />They can be used to incubate chickens.<br />They can also be found in lighthouses.<br />
  • 9. Works Sited <br />Who Invented the light bulb?. (2007). Retrieved from http://www.professorshouse.com/your-home/decorating-design/who-invented-light-bulb.aspx <br />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&amp;imgrefurl=http://www.readersdigest.com.au/discovery-channel-mag/who-invented-the-light-bulb/article91603.html&amp;usg=__PdtAScjF8zCLFfrs62nQi7rwBkw=&amp;h=352&amp;w=520&amp;sz=10&amp;hl=en&amp;start=138&amp;zoom=1&amp;tbnid=JTnCyMzjDIMmkM:&amp;tbnh=126&amp;tbnw=148&amp;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&amp;um=1&amp;itbs=1&amp;iact=rc&amp;ei=lFCGTMGiKsienAey0p3sAQ&amp;oei=wk-GTJ2wJJOKnAf5nMz4DQ&amp;esq=8&amp;page=5&amp;ndsp=36&amp;ved=1t:429,r:28,s:138&amp;tx=40&amp;ty=76&amp;biw=1419&amp;bih=690&amp;safe=active<br />
  • 10. Works Sited Con’d<br />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&amp;imgrefurl=http://www.readersdigest.com.au/discovery-channel-mag/who-invented-the-light-bulb/article91603.html&amp;usg=__PdtAScjF8zCLFfrs62nQi7rwBkw=&amp;h=352&amp;w=520&amp;sz=10&amp;hl=en&amp;start=138&amp;zoom=1&amp;tbnid=JTnCyMzjDIMmkM:&amp;tbnh=126&amp;tbnw=148&amp;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&amp;um=1&amp;itbs=1&amp;iact=rc&amp;ei=lFCGTMGiKsienAey0p3sAQ&amp;oei=wk-GTJ2wJJOKnAf5nMz4DQ&amp;esq=8&amp;page=5&amp;ndsp=36&amp;ved=1t:429,r:28,s:138&amp;tx=40&amp;ty=76&amp;biw=1419&amp;bih=690&amp;safe=active <br />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<br />

×