Benjamin Franklin did experiments with a kite in a storm. What did he help discover?

Thomas Edison invented the light bulb. How did this change communities?

George Washington Carver found many uses for peanuts and crops. He is known as an _____.

Rachel Carson warned people that chemicals were hurting nature. She is best described as a _____.

Jane Goodall studied wild chimpanzees to understand animal life. She is best known as a _____.

Neil Armstrong was the first person to do what?

Amelia Earhart flew alone across the Atlantic Ocean. She is best described as an _____.

George Washington Carver was a scientist who helped farmers. What did he teach them to do?

Jane Goodall watched wild chimpanzees for many years. What surprising thing did she see them do?

Thomas Edison tested thousands of materials while he worked on the light bulb. What was he looking for?

Amelia Earhart was lost over the Pacific Ocean in 1937. What was she trying to do?

Rachel Carson wrote a book warning that chemicals were harming birds and other wildlife. What did her book lead many people to do?

Jonas Salk led a team that made the first successful vaccine against which disease?

Before the polio vaccine, polio spread through towns and left many children unable to walk. What did the vaccine change?

Louis Pasteur found a way to make milk safer to drink. What does his method do to the milk?

Louis Pasteur showed that tiny living germs can cause disease.

Louis Pasteur made a vaccine to protect people bitten by a sick dog carrying which illness?

Cyrus McCormick invented a machine that did which farm job?

The mechanical reaper spread across farm country. What did it change for farmers?

Bill Gates and his partner started a company that made what for the first small computers?

Computer software became easy enough for ordinary people to use. What did this change for communities?

What did Wilbur and Orville Wright build and fly for the first time?

Airplanes began carrying people and mail. What did this change for faraway cities?

Alexander Graham Bell is best known for inventing which machine?

Telephone lines reached towns across the country. What did this change?

Before telephones, people could send fast messages along wires using Morse code.

Sacagawea helped Lewis and Clark on their journey west by doing what?

Garrett Morgan improved the traffic signal by adding what?

Robert Fulton is famous for building a boat that moved using what?

The steamboat Robert Fulton built could only float downstream with the current.

Samuel Morse invented a machine that sent messages along wires using what?

What did Elisha Otis invent to make elevators safe for people to ride?

Safe elevators spread through cities. What did they change about buildings?

What did John Deere invent to help farmers break up sticky prairie soil?

John Deere's steel plow made sticky prairie soil cling to the blade more than the older iron plows did.

Thomas Edison built a machine that could do what with a person's voice?

Jacques Cousteau helped invent a device that let divers do what?

Alexander Fleming discovered that a mold growing in one of his dishes could do what?

Sally Ride was the first American woman to travel into space.

Matthew Henson was part of the small team that traveled across the Arctic ice to the North Pole.