Chapter 12 T Edison

Front

Did Edison ever fail?

Back

Yes, Thomas Edison experienced many failures throughout his career, which he viewed as part of the learning process.

Front

What device records sound on a cylinder wrapped in tinfoil?

Back

Phonograph.

Front

What invention did Edison make faster?

Back

Telegraph.

Front

How old was Edison when he sold newspapers?

Back

12 years old.

Front

What did Edison invent in 1879?

Back

Electric light bulb.

Front

What is the phonograph?

Back

A device invented by Edison that records and plays back sound.

Front

What is the telegraph?

Back

A communication device that transmits messages over long distances using electrical signals.

Front

What is an invention?

Back

A new device, method, or process created to solve a problem or improve something.

Front

Why is failure important in invention?

Back

Failure helps inventors learn what doesn't work, leading to better solutions.

Front

What is the significance of the electric light bulb?

Back

It revolutionized indoor lighting and extended productive hours beyond daylight.