Which planet is known as the Red Planet?

Mars. Its red color comes from iron oxide, which is basically rust, in its soil.

How many keys are on a standard piano?

88. 52 of the keys are white and 36 are black.

How many bones are in the adult human body?

206. Babies start out with more bones than adults; many of them fuse together as they grow.

What do you call a dozen dozen?

A gross. A great gross is 12 gross, or 1,728.

In the myth, King Midas turned everything he touched into what?

Gold. Even his food changed when he touched it, so he couldn't eat.

How many zeros are in one billion?

Nine. A billion seconds adds up to almost 32 years.

In golf, what do you call a score of one under par on a hole?

A birdie. Two under par is called an eagle.

What colorful arc can appear when sunlight shines through raindrops?

A rainbow. From an airplane, you can sometimes see a rainbow as a full circle.

Which planet spins tipped over on its side?

Uranus. Uranus was the first planet discovered with a telescope, in 1781.

Which salty body of water between Israel and Jordan lets swimmers float with ease?

The Dead Sea. Its shore is the lowest land on Earth, more than 1,400 feet below sea level.

Hatch, New Mexico, is famous for growing what spicy crop?

Green chile peppers. New Mexico's official state question is "Red or green?" as in which chile you want.

Which state's Lower Peninsula is shaped like a mitten?

Michigan. Locals often hold up a hand and point to it to show where they live.

What Wisconsin snack squeaks against your teeth when it's fresh?

Cheese curds. The squeak fades within a day or so as the curds age.

Lucy, a six-story building in Margate, New Jersey, is shaped like what animal?

An elephant. Built in 1881, Lucy is often called the oldest surviving roadside attraction in America.

What is the deepest lake in the United States?

Crater Lake. It fills the collapsed top of Mount Mazama, a volcano that erupted about 7,700 years ago.

What giant lumberjack stands with Babe the Blue Ox in Bemidji, Minnesota?

Paul Bunyan. The Bemidji statues were built in 1937 for a winter carnival.

How many U.S. states border Mexico?

Four. Texas has by far the longest stretch of the border.

What famous Yellowstone geyser erupts roughly every hour and a half?

Old Faithful. Its eruptions often shoot boiling water more than 100 feet into the air.

What interstate runs from Miami, Florida, all the way to the Canadian border in Maine?

I-95. I-95 passes through 15 states, more than any other interstate.

What animal is sculpted from hundreds of pounds of butter each year at the Iowa State Fair?

A cow. The butter cow tradition began in 1911.

What full 1950s skirt was often decorated with a felt dog on a leash?

Poodle skirt. Juli Lynne Charlot made the first one in 1947 because she didn't know how to sew a pleated skirt.

What color-changing jewelry claimed to reveal your emotions in the 1970s?

Mood ring. The stone holds liquid crystals that change color with your skin's temperature.

What 1950s men's hairstyle, worn by Elvis, was swept up high in the front?

The pompadour. It's named after Madame de Pompadour, a famous figure in 1700s France.

What pocket-size radio, new in the 1950s, let teens take rock and roll anywhere?

The transistor radio. The first one, the Regency TR-1, went on sale in 1954.

What 2015 viral photo split the internet over whether it was blue and black or white and gold?

The dress. The real dress was blue and black.

What 1969 music festival drew some 400,000 people to a dairy farm in New York?

Woodstock. It wasn't held in Woodstock at all, but on Max Yasgur's farm in Bethel.

What 2010s trend made it normal to wear workout clothes like yoga pants everywhere?

Athleisure. Merriam-Webster added the word to its dictionary in 2016.

What 2014 viral challenge raised more than $100 million for ALS research?

Ice Bucket Challenge. ALS is also known as Lou Gehrig's disease.

What tall, cone-shaped 1960s hairdo was named after an insect's home?

The beehive. Chicago stylist Margaret Vinci Heldt created it in 1960.

What bubbling, glowing lamp became a groovy decor must-have in the 1960s?

The lava lamp. It was invented by a British accountant, Edward Craven Walker, in 1963.

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