chapter 14 section 1 Flashcards
how were thomas edison’s light bulbs an improvement over the ones that came before?
they could glow for longer periods of time —2 days
how was the internal combustion engine different than engines that came before it?
combustion took place inside a closed cylinder, rather than the old steam engine in which combustion too place outside the cylinder.
what was the new power source in 1870?
electricity
what did michael faraday do?
developed the first dynamo or electrical generator
what is the dynamo?
electric generator
what did the dynamo do?
transformed mechanical power into energy.
what was the dynamo’s disadvantage
had to be connected to a power source
fire danger
what was an early light bulb problem
it burned out quickly
to make electricity practical
electricity had to be transmitted efficiently from where it was generated to where it would be used.
1st transmission systems were where?
new york city and london
hydroelectric power is what
water generated power
what did Alexander graham bell do?
invented the telephone
what did Guglielmo Marconi
developed way to send messages through space without wires.
what did charles and frank duryea do?
built the first successful gasoline driven car in the U.S
what did henry ford do?
produced the first commercially successful automobile, the model T
