Social Studies: Technology Flashcards
a mail route where people ride horses up to 75 miles a day to deliver mail quickly across the country
Pony Express
a process to kill germs by heating a liquid to just below boiling point
pasteurization
(cows are in the PASTURE)
a series of dots and dashes that represent letters and numbers
Morse code
something made up for the first time
invention
to send out information over a wide area
broadcast
(it did not mention HOW the info would be sent out)
train tracks that linked the eastern United States to the western United States
Transcontinental Railroad
a weak or killed form of a disease that is given to people to prevent them from getting a stronger form
vaccine
a machine that cuts grain
reaper
Communities in the west grew because _________________ and _________________ told interesting stories about the West.
Lewis and Clark
James Watt and Richard Trevithick helped families moving west by developing and improving _______________ ______________
steam engines (trains!)
Who used a special tube to build a television?
A. A. Campbell Swinton
In 1917 there were over 250,000 more miles of __________ ____________ than in 1830.
railroad track
(it made it easier and faster for people to get around)
Why was the Pony Express set up? Give 3 reasons.
1) People in the West wanted to communicate with the East.
2) Bandits often attacked wagons carrying mail.
3) Weather often caused delays.
In 1860 mail was delivered much faster than before because the ___________ ___________ was developed.
Pony Express
What are 3 things that Lewis Latimer did? Some of these were with Thomas Edison.
1) Many drawings of the telephone.
2) Worked on lamps and lightbulbs
3) Helped many cities light their communities
