Inventors
Who invented the telephone?
Alexander Graham Bell
Who discovered safety glass by accident?
Edouard Benedictus
Edison received how many patents?
1000
What happened first out of these events?
Neil Armstrong took his first step on the moon.
Rockets have carried space shuttles to and from the International Space Station.
The Chinese invented rockets that were tubes packed with gunpowder.
Robert Goddard was the first to launch a rocket into space.
The Chinese invented rockets that were tubes packed with gunpowder.
How did electronic equipment in the past get electric signals?
First by wires and then by vacuum tubes
Who invented the automobile assembly line?
Patsy Sherman and Sam Smith patented ______ by accident which is used to keep fabric from staining.
Even as a boy Edison was thinking of _______ ideas.
new
What happened second out of these events?
Neil Armstrong took his first step on the moon.
Rockets have carried space shuttles to and from the International Space Station.
The Chinese invented rockets that were tubes packed with gunpowder.
Robert Goddard was the first to launch a rocket into space.
Robert Goddard was the first to launch a rocket into space.
How many years does a patent live up to?
a) 100 years
b) 10 years
c) 25 years
d) 20 years
20 years
Who invented the light bulb?
Thomas Alva Edison
Who invented the radio that was first known as a wireless telegraph?
Guglielmo Marconi
Edison tried __________ kinds of wire or a filament for his light bulb before finding one stayed lit for a long time.
6000
What happened third and fourth out of these events?
Neil Armstrong took his first step on the moon.
Rockets have carried space shuttles to and from the International Space Station.
The Chinese invented rockets that were tubes packed with gunpowder.
Robert Goddard was the first to launch a rocket into space.
third: Neil Armstrong took his first step on the moon
fourth: Rockets have carried space shuttles to and from the International Space Station
Who invented the first rocket that went into space?
Robert Goddard
The first real car
What are 3 things other than the light bulb that Edison patented?
projector, phonograph, and telephone transmitter
What are 3 ways the invention of the automobile change peoples lives in positive ways?
People lived, worked, played, ate, and shopped.
It turned muddy paths into paved highways
Americans moved away from cities to suburbs.
What did Vladimir Zworykin invent?
television
Who invented the first working lazer?
Theodore Maiman
Name 3 important ways that lasers are used today.
To cut tissue
Destroy tumors
Erase scars
Read price bar codes
Track flying objects for the military
remove birthmarks
clear clogged arteries
drill through steel
worse traffic
noise
pollution