Show:
Transportation
Inventions
Communication
Medicine
Review
100
Transcontinental Railroad
What allowed people to safely travel from Omaha to San Fransisco?
100
Used a special tube to build a television
Who is A.A. Campbell Swinton?
100
A group of business people set up the Pony Express
Why was mail delivered more quickly starting in 1800 than it had been before?
100
Milk is heated to the point that certain germs are killed
What is pasteurization?
100
Lewis and Clark told interesting stories about the West
What is one reason that new communities grew in the West?
200
Henry Ford
What American started making cars in Detroit in 1903?
200
Samuel Morse
Who invented the telegraph?
200
It sent messages across the country in just seconds.
What is the telegraph?
200
The vaccine he invented saved the lives of many people
Why is Jonas Salk's polio vaccine important?
200
Something that has never been made before
What is an invention
300
In 1903 two brothers flew the first airplane
Who are the Wright brothers?
300
He invented a camera that anyone could use to take a picture
What did George Eastmean invent in 1888?
300
Marconi
Who sent radio signals in 1896?
300
He made milk safer for people to drink
Why is Louis Pasteur an important scientist?
300
In 1917 there were over 250000 more miles of railroad track than in 1830
How was travel in the U.S. different in 1917 than in 1830?
400
They developed and improved steam engines
How did James Watt and Richard Trevithick help families moving west?
400
the reaper
What did Cyrus Hall McCormick invent to make farming easier?
400
In 1775 he was put in charge of the postal service
Who is Benjamin Franklin?
400
the Nobel Prize
What did Elion win for her work in medicine?
400
Riders who delivered mail by horse
What was the Pony Express?
500
the land west of the Mississippi River
What land did Lewis and Clark explore in 1804?
500
Louis Daguerre
Who changed the way people remembered their favorite times?
500
1876
When did Bell invent the first telephone?
500
A weak or killed form of a disease that is given to people
What is a vaccine?
500
Words sent out with black and white pictures
What is a broadcast?