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WorksheetsTHE LIGHT BULB
Total questions: 10
Worksheet time: 5mins
Thomas Edison was the first one who tried to invent the light bulb.
True
False
Who invented the first electric lamp?
Humphry Davy
Joseph Wilson Swan
Thomas Edison
Warren de la Rue
In what year did Thomas Edison's company form?
1885
1870
1880
1878
What was wrong with Humphry Davy's light bulb?
People just weren't interested
Too bright and burned out quickly
Since there were so many complex parts his light bulb was too big
Too expensive to build and had to sell it for a lot of money
What was wrong with Warren de la Rue's light bulb?
People just weren't interested
Too bright and burned out quickly
Since there were so many complex parts his light bulb was too big
Too expensive to build and had to sell it for a lot of money
Which light bulb filament lasted the longest?
platinum coated wood
linen twisted with felt
cotton
carbonized bamboo
Electric light was already invented before Humphry Davy invented the first electric lamp.
True
False
What was Humphry Davy's lamp called by the people?
The electric arc lamp
The impractical lamp
The rich man's dream
The interesting looking lamp
How many different theories did Edison and his team work on?
Over 3000
2167
Around 4200
Over 1500
How long did Edison's final light bulb last?
700 hours
5 hours 32 minutes and 52.8 seconds
1200 hours
300 hours
