1 of 10

Slide Notes

DownloadGo Live

Lightbulb

No Description

View Outline

MORE DECKS TO EXPLORE

PRESENTATION OUTLINE

1.

Lightbulb

By:Elena Grant
Photo by normalityrelief
2.

Lightbulbs were invented in the late 1800's

Photo by Choconancy1
3.

On both sides of the Atlantic,Thomas Edison and Joseph Swan invented the lightbulb.

Photo by nsikander28
4.

Filament is the most important part of a lightbulb.

Photo by Henry Patton
5.

Lightbulbs got 'bulbs' later;it started as bare filament.

Photo by avrene
6.

Lightbulb filament is usually made of tungsten.

Photo by colin.jagoe
7.

Lightbulb filament heats red-hot(5,000 F).

Photo by miki
8.

In the U.K. there is a lightbulb that is still burning after 130 years.

Photo by cliffbilbrey
9.

Lightbulbs certainly 'brighten up' our day!

Photo by James Bowe
10.

BIBLIOGRAPHY

  • James Q and A video
  • How modern lightbulbs work
  • How a lightbulb works
  • Energy 101:Lightbulbs
Photo by Jonathan Rothwell

Elena Grant