Inventions
Inventors
What year was it invented
What was the main use
Guess the approximate cost
100

What invention improved the separation of the seeds and fibers

The Cotton Gin 

100

Who created the spinning jenny

James Hargreaves

100

what year was the spinning jenny created

1764-1765

100

Spinning jenny

increased the efficiency and productivity of yarn production in the textile industry

100

the spinning jenny

around $500

200

what invention allowed instant communication over vast distances for the first time in human history. 

The Telegraph

200

who created the cotton gin

Eli Whitney

200

what year was the steam engine created

1698

200

steam engine (original purpose)

 to remove water from mineshafts

200

the steam engine

around $631

300

what invention significantly increased the productivity of yarn production

The Spinning Jenny

300

what 2 people invented the railroad

George Stephenson

John Stevens

300

what year was the telegraph invented

1830's

300

telegraph

to allow for near real-time, two-way communication over long distances

300

the telegraph

around $30,000

400

The _________________ helped to increase production, improve transportation, and create economic growth 

steam engine

400

Who created the steam engine

Thomas Newcomen

400

what year was the cotton gin created


1793

400

cotton gin

to quickly and efficiently separate cotton seeds from cotton fibers

400

the cotton gin

$500-$1,500

500

The __________ helped by providing cheaper and faster freight delivery 

Railroad

500

who created the telegraph

André-Marie Ampère

500

what year was the railroad created

1804

500

The railroad

 opened the way for the settlement of the West, provided new economic opportunities, stimulated the development of town and communities, and generally tied the country together

500

The railroad

$60,000,000 (60MIL)