Largest
Who was the tallest US president?
Abraham Lincoln - 6'4
What is the smallest coin in U.S. currency by physical size?
The dime
What animal can rotate its head almost all the way around?
Owl (270 degrees)
What black-and-white flightless bird lives in cold Antarctic regions?
Penguin
What is the hardest natural substance on Earth?
Diamond
What everyday fastening tool was invented in 1948 and works by sticking to itself with tiny hooks and loops?
Velcro
What is the largest bird in the world?
Ostrich
What is the smallest of Earth’s five oceans, located at the top of the world and covered partly by ice?
The Arctic Ocean
What huge ocean creature is known as the largest animal to ever live on Earth?
The Blue Whale
What gemstone’s deep green color comes from traces of chromium?
Emerald
What is the word for someone who is afraid of tight or small spaces?
Claustrophobia
What kitchen appliance, invented by accident in the 1940s, cooks food by exciting water molecules with electromagnetic waves?
The Microwave Oven
What is the largest bone in the human body?
Femur
Of the four core Quad Cities—Davenport, Bettendorf, Moline, and Rock Island—which one has the smallest population?
Rock Island
Which reptile can change its skin color to blend into its surroundings?
Chameleon
: Which U.S. Navy flight demonstration squadron is famous for performing tight formations and high-speed aerobatic maneuvers at airshows across the country?
The Blue Angels
What's the term for a person who can use both hands equally well?
Ambidextrous
Which brothers are credited with inventing the first successful airplane?
The Wright Brothers
What is the largest freshwater lake in the world by surface area?
Lake Superior
What is the smallest bird in the world, known for beating its wings incredibly fast?
The Bee Hummingbird
Which ancient reptile can live for more than 150 years and has one of the slowest metabolisms in the animal kingdom?
The giant tortoise
Which bird develops its distinctive color because its diet includes shrimp and algae?
What long-running TV talent show began in 2002 and helped launch the career of singer Kelly Clarkson and Carrie Underwood, eventually becoming one of the most influential music competitions on American television?
American Idol
What invention, created by Johannes Gutenberg, made books easier to produce?
The Printing Press
What is the largest country in the world by land area?
Russia
Which tiny city-state, famous for being the smallest country on Earth and serving as the headquarters of the Roman Catholic Church, is located inside Rome?
Vatican City
Which animal can regrow lost limbs, including arms and sometimes organs?
Starfish
What orange-ish metal was the first to be widely used by humans in toolmaking?
Copper
Which classic toy was originally marketed as a wallpaper cleaner in the 1930s before becoming a beloved children’s modeling compound?
Play-Doh
What GPS-based service, introduced in 2009, changed how people get rides by letting them request a driver from their phone?
Uber
What is the largest tree species by volume?
The Giant Sequoia
What is the smallest U.S. state by land area?
Rhode Island
What aquatic creature has three hearts and blue blood?
Octopus
Which 1963 comedy introduces an animated cat in its opening credits who later became more famous than the film itself?
The Pink Panther
Which brand used commercials featuring a rugged cowboy riding across wide-open Western landscapes to sell its product, creating one of the most recognizable advertising campaigns of the 20th century—even to people who didn’t buy it?
Marlboro Cigarettes
What online service allows people to rent out extra rooms or entire homes to travelers worldwide?
Air B&B