Before the cotton gin, cotton farms needed many workers for one slow task. What did the cotton gin make faster?

Alexander Graham Bell is best known for which invention?

Long ago, urgent news could travel only as fast as a messenger, boat, or train could carry it. What invention first let news travel much faster than that?

A farmer wants to harvest more wheat before rain ruins the crop. What did the mechanical reaper help farmers do?

Who is known for inventing the cotton gin, a machine that changed cotton farming?

River merchants needed boats that could travel upstream against the current more reliably. What invention helped solve that problem?

Many homes and streets once used candles, oil lamps, or gas lamps at night. What invention became a cleaner, brighter replacement?

Thomas Edison is best known for making which invention practical for everyday use in homes?

A factory needs to send heavy goods from an inland town with no river nearby to distant markets. What invention made that movement possible?

A business owner wants to speak with a customer in another city instead of waiting for letters. What invention made live voice communication possible?

Workers once cut grain by hand with tools such as sickles and scythes. What machine replaced much of that hand cutting?

Robert Fulton is best known for helping make which invention successful?

In a factory, each worker adds one part as a product moves past. What did the assembly line help factories do?

What are the Wright Brothers best known for achieving?

Workers once pulled sticky seeds out of fluffy plant fibers by hand, which was very slow. What machine, invented in 1793, replaced much of that work?

An editor wants election news from a faraway city the same day. What did the telegraph make possible?

Cyrus McCormick is best known for which invention?

In 1903, a new invention made the first controlled flight with wings and an engine. What was it?

Long ago, clothes were stitched together by hand, one tiny loop of thread at a time. What invention of the mid-1800s made making clothes much faster?

Samuel Morse is best known for helping create which invention?

A mill owner wanted steadier light than candles or oil lamps could provide. What did electric light help workplaces do?

After the cotton gin spread, what happened to the amount of cotton grown in the South?

Henry Ford used a new factory method to build cars in large numbers. What was it?

Steamboats carried cotton, people, and goods up and down which great river through the middle of the United States?

Ford's assembly line cut the cost of building each Model T car. What was one result?

George Washington Carver was a famous scientist who worked with farmers. What work is he best known for?

A farmer ships barrels downriver, then needs supplies brought back upriver. What did steamboats make more reliable?

Thomas Edison also created a machine that recorded and played back sound. What invention was that?

In the 1850s, Elisha Otis showed a safety brake that kept an elevator from falling if its rope broke. What did safe elevators help cities build?

Railroad companies needed to warn stations about schedule changes and dangers ahead. What invention helped them send quick coded messages?

Henry Ford's factories used assembly lines to make one product in large numbers for many buyers. What product was it?

A doctor needs to ask a nearby hospital a question and hear the answer immediately. What invention changed communication in that way?

Who achieved controlled powered flight at Kitty Hawk?

The reaper cut grain much faster than workers with sickles and scythes. How did this change harvest time on many wheat farms?

Eli Whitney also promoted making matching parts to the same size for factory products. What idea is linked to that work?

Some southern farmers planted only cotton year after year, which wore out soil. What did Carver's crop ideas help farmers do?

In 1847, Cyrus McCormick moved his reaper factory to Chicago. Why was Chicago a good place for it?

In 1882, Thomas Edison opened a power station in New York City. What did it do?

Factories began making interchangeable parts, pieces made exactly alike so any one could fit any copy of a product. Why did this help?

A mining town has coal to sell but sits far from a port. What did steam locomotives help communities do?