facts about the light bulb
How the light bulb has changed
100
Who invented the light bulb?
Thomas Edison
100
What did Edison want to do with light bulb?
He wanted to provide light in places the sun couldn't reach.
200
What is the filament in a light bulb
carbon
200
How has the light bulb changed from now to them? A.It has become smaller B.It has become more efficient C.Both A and B
C
300
When did Thomas Edison patent the light bulb?
1880
300
How has the light bulb help you?
Answers may vary [|(:^)(---)( )
400
What is the most expensive filament they TRIED to use?
Platinum
400
How many different light bulbs are there that we use today?
3 [fluorescent,incandescent, and LED]
500
Why did Thomas Edison make the light bulb?
Other sources were unreliable, awkward, and dangerous.
500
How many different incandescent light bulbs are there from 1879 from 1907? A.5-9 B.10-14 C.15+
B
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