This two-wheeled vehicle is powered by pedaling.
What is a bicycle?
This organ allows you to think, remember, and control your body.
What is the brain?
This game show asks contestants to spin a wheel before solving puzzles.
What is Wheel of Fortune?
This invention allows people to communicate by speaking into a handheld device.
What is the telephone?
This animal is known as the "king of the jungle."
What is the lion?
This famous ocean liner carried passengers on its first voyage in 1912 before striking an iceberg.
What is the Titanic?
This bone is the longest in the human body.
What is the femur?
This western series featured Marshal Matt Dillon in Dodge City.
What is Gunsmoke?
This scientist discovered penicillin in 1928.
Who is Alexander Fleming?
This Australian animal carries its young in a pouch.
What is a kangaroo?
This company produced the Model T, making automobiles affordable for many Americans.
What is Ford?
This part of the eye controls how much light enters.
What is the iris?
This sitcom followed the lives of six friends living in New York City.
What is Friends?
This invention by the Wright brothers changed travel forever.
What is the airplane?
This intelligent marine mammal is known for using clicks and whistles to communicate.
What is a dolphin?
This famous train route once carried passengers between Chicago and Los Angeles and inspired a classic song.
What is the Santa Fe Railway?
This gland produces insulin, which helps regulate blood sugar.
What is the pancreas?
This television series featured the character Archie Bunker and the phrase "Those were the days."
What is All in the Family?
This scientist developed the first successful polio vaccine.
Who is Jonas Salk?
This animal is the largest land mammal on Earth.
What is the African elephant?
This inventor is credited with developing the first successful gasoline-powered automobile.
Who is Karl Benz?
This is the medical term for high blood pressure.
What is hypertension?
This long-running mystery series featured Angela Lansbury as amateur detective Jessica Fletcher.
What is Murder, She Wrote?
This invention by Johannes Gutenberg helped spread knowledge throughout Europe.
What is the printing press?
This endangered animal is famous for its black-and-white coloring and bamboo diet.
What is the giant panda?