Lightbulb
The year the lightbulb was invented
When was 1879?
The reason the water motor was a bad power source.
Why was the water pressure unstable?
What Thomas Edison is famous for
What's the lightbulb?
The reason he made the factory
Why did he produce inventions?
The reason the power station was needed
Why do light bulbs need power?
The 2 types of the Edison phonograph
What was the electric and spring motor phonograph?
True or false: Thomas Edison couldn't use much hygiene because he was always inventing things.
Why's it true?
The city his power station was in
Where is New York?
The type of phonograph the nickel in the slot phonograph evolved from.
What's the electric phonograph?
True or false: Thomas Edison's electric vote machine was a huge hit.
Is it false?
True or false, the power station supplied the New York Times.
Is this True?
Thomas Edison found that _______ burned the longest in a lightbulb
What is carbonized cardboard?
The uses of the 2 different sapphires in phonographs.
What are the recording and sound reproduction sapphires?
Thomas Edison's number of patents
How did he get 1,093 patents?
The street the station was on
Where is Pearl Street?
Another name for the phonograph's wax cylinder.
What's the metallic soap bank?
The WPM of young Thomas Edison on the telegraph.
Why 45?
Thomas edison's favorite type of current
What is direct current (DC)