NEW INVENTORS AND THEIR INVENTIONS

Chpt.4:1

Alexander G. Bell invented the first telephone

Alexander G Bell’s Early Years

Alexander Graham Bell

Alexander Graham Bell’s telephone changed the way people communicated.

Thomas Edison

•Thomas Edison invented the phonograph which helped musicians record and sell music.

Investor

Many inventors do not have enough money of their own to pay for experiments.

They then need someone to help them.

Investors are people who give money to a business or project in hoping to gain profit.

Thomas Edison

•Thomas Edison invented the light bulb which was a safer form of light than candles.

Lewis Latimer

• He invented the carbon filament which helped to make electric lights practical for everyday use.

Thomas Edison

•He invented the power plant which brought electricity to homes.

Thomas Edison

Frank Sprague

•He invented the first electric streetcar which changed urban transportation.

Frank and Charles Duryea

• The Duryea brothers were the first to build a working automobile in the U.S.A.

Orville and Wilbur Wright

•The brothers invented the first airplane which changed long distance travel for everyone.

Open Notes Quiz

1. List 2 important inventions which Edison will be remembered from your notes.

2. What did Bell’s invention change?

3. List three inventions that changed the way people traveled.

4. Who developed the world’s first airplane?

5. Who helped Edison improve the light bulb?

Inventor Invention Significance

Alexander G. Bell

Telephone Changed the way people communicate

Inventor Invention Significance

Thomas Edison

Phonograph

Light bulb

Power station

Musicians can record/sell music*can hear music when you want

Safer form of light, business open longer

Brought electricity to homes

Inventor Invention Significance

Lewis Latimer Method making for carbon filaments

Made Electric Lights practical for everyday use or allowed light bulb to last longer

Inventor Invention Significance

Frank Sprague 1st electric streetcar

Changed urban transportation

Inventor Invention Significance

Orville & Wilbur Wright

Airplane Changed long distance travel

Inventor Invention Significance

Alexander Graham Bell

Telephone Changed communication

Thomas Edison Phonograph, Light bulb, Power plant

Musicians record and listen to music, safer form of light, electricity to homes

Lewis Latimer Carbon Filament Made electric lights practical for everyday use

Frank Sprague Electric Streetcar Changed urban transportation

Wright Brothers Airplane Changed long distant travel