All about Airports
Famous Landmarks
Human Anatomy
Out of This World
The Deep Sea
100

How many hours is the longest commercial flight?

18

100

Glacier National Park, famous for its abundant lakes and majestic mountains, is located in which U.S. state?

Montana

100

Which sensory organ is the tympanic membrane found in?

Ear

100

What are the only two planets in our solar system that do not have any moons?

 Mercury and Venus

100

How many brains does an octopus have?

Nine.

 They have a central brain and eight smaller mini-brains in each of their arms.

200

About what percentage of flights are delayed per day?

 20%

200

Approximately, how much money is thrown into Rome’s Trevi Fountain each day?

 approx. 3,000 euros

200

 What tiny structures are, at between five and ten micrometers in diameter, the smallest blood vessels in the human body?


 Capillaries

200

Which planet has the most extreme temperature fluctuations, ranging from -173°C to 427°C?
 

Mercury

200

Which ocean is the largest and deepest in the world?

The Pacific 

300

Approximately how many airplane flights depart and land every day?

 100,000

300

How long is the Great Wall of China?

 21,196 km

300

Which medical term from the Latin terms for “blood” and “break forth” refers to a lot of bleeding, which can be life-threatening?


Hemorrhage

300

 Which planet rotates completely on its side?
 

Uranus.

 Its axis is tilted by about 98 degrees, likely due to a massive collision in the distant past.

300

 How much of the Earth's surface is covered by oceans?

About 71%

400

In which city would you find Heathrow and Gatwick airports?

 London

400

How many floors are in the Empire State Building?

102

400

Of the three principal layers that make up human skin, what name is given to the outermost layer that provides a waterproof and protective barrier?


Epidermis

400

What are Saturn's rings primarily made of?

 Ice and rocks

400

 Which marine animal is the longest-living vertebrate on Earth, with some individuals surviving up to 400 years?

The Greenland shark.

500

Rome–Fiumicino International Airport is named after a famous artist. Which one?

 Leonardo Da Vinci

500

The Appalachian National Scenic Trail goes through how many states?

 14

500

The four major lobes of the human brain are the frontal lobe, the parietal lobe, the occipital lobe, and what T-word one?


Temporal lobe

500

Which planet was the first to be discovered using mathematical prediction rather than a telescope?

Neptune.

500

 How much faster does sound travel underwater compared to in the air?

About 4.3 times faster.

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