Fill in the Blank
___________ invented the steamboat.
Robert Fulton
The _____________ is where the sky seems to meet the earth.
a. altitude
b. equator
c. horizon
c. horizon
A(n) ______________ is a manufacturing business that uses factories to produce products.
____________ brought the steel industry to America.
Andrew Carnegie
A(n) ____________ is a gently raised area of the earth's surface smaller than a mountain.
a. altitude
b. hill
c. volcano
b. hill
Inventors can protect their design ideas with a __________, providing ownership of their invention.
Patent
____________ founded the Standard Oil Company.
John D. Rockefeller
A __________ is the highest point of a mountain; a mountain that has a rounded top.
a. mountain range
b. peak
c. volcano
b. peak
Henry Ford used the assembly line to build the ___________.
Model T
___________ invented the gas mask.
Garrett Morgan
A __________ is a lowland between hills or mountains.
a. canyon
b. gorge
c. valley
c. valley
The first successful airplane flight happened in _______________.
Kitty Hawk, North Carolina
__________ invented the phonograph.
Thomas Edison
A(n) _____________ is a narrow strip of land which connects two larger bodies of land.
a. island
b. isthmus
c. peninsula
b. isthmus
To protect children from dangerous jobs and long working hours, child ____________ were created.
Labor Laws
___________ developed the assembly line.
Henry Ford
A(n) __________ is an opening in the earth's surface from which hot water and steam shoot up at certain times.
a. geyser
b. marsh
c. oasis
a. geyser
Many cities use a _________ for public transportation from one part of the city to another.
____________ built and flew the first successful plane.
a. desert
b. horizon
c. plain
c. plain
During the ________________, the government was focused on being more efficient and better meeting the desires of voters.
Progressive Movement
___________ built and launched the first successful liquid-fuel rocket.
Robert Goddard