Air
Water
Fire
Earth
5th Element
100

One lung in human body is bigger than the other one. Which and why?

The right lung is larger than the left lung to accommodate the heart.

100

How much of all the water on the planet is fresh?

a) less than 5%
b) 5-10%
c) 10-20%

a) less than 5%

100

What is the worst time for firefighters?

Christmas time 

100

I have seas without water, coast without sand, towns without people, mountains without land. What am I?

A map 

100

What can you swallow that can also swallow you?

Water

200

How many breaths per day do we take?

a) about 7000

b) about 27000

c) about 17000

c) about 17000

200

What is the percentage of water in human brain?

70%

200

What does it mean to "juggle blood and fire"? 

to do something dangerous 

200

What are the most useful inhabitants of the soil?

 

Earthworms

Their activity offers many benefits: they increase nutrient availability, make better drainage and create a more stable soil structure

200

How many times can a piece of paper be folded, regardless of its size?

a) 7 times

b) 14 times

c) 21 times 

a) 7 times

300

Who is an "airhead"?

 

a stupid person 

300

What takes most water to make:

a) 300 bars of chocolate

b) 3 bicycles

c) 10 pairs of leather shoes

c) 10 pairs of leather shoes

300

The color of the flame in a fire depends on...

... the amount of oxygen. A low-oxygen fire burns yellow. A high-oxygen fire burns blue.

300

All the names of what on the Earth start and end with the same letter?

Continents 

Asia, Africa, America, Antarctica, Europe, Australia

300

Who played two main characters Korben Dallas and Leeloo in the movie "The Fifth Element"?

Bruce Willis and Mila Jovovich

400

What does the idiom "to clear the air" mean? 

to remove tension and bad feelings between people through conversation  

400

How can you escape a tsunami if you are in a boat?

Go offshore as far as you can. The safest place for a boat during a tsunami is in deep water.

400

Which city did fire save from one of the most dangerous and contageous diseases ever? (Name the city and the disease)

The 1666 Great Fire of London destroyed 80 percent of the city but also ended the outbreak of plague.

400

All planets are named according to the same principle. Except one. Which one? And what is the principle?

Earth is the only planet not named after a god.
The other seven planets in our solar system are all named after Roman gods or goddesses.

400

What starts with T, ends with T and is filled with T

Teapot

500

Imagine John, a party magician, is carrying three pieces of gold, each piece is one kilogram. He comes to a bridge which has a sign saying the bridge could hold only a maximum of 80 kilograms. 

John weighs 78 kilograms. John reads the sign and still safely crosses the bridge with all the gold. How did he manage this?

John is a juggler. When he came to the bridge he juggled the gold, always keeping one piece in the air.

500

There is one place in the world, where our blood color looks different (though it doesn't change its color). Name the place and the color.

Human blood is green in the deep ocean.

500

This object has been used to light the Olympic torch since the times of ancient Greece.

Parabolic mirror

500

Where would you have to travel to visit the longest unbroken mountain chain in the world?

The Atlantic Ocean floor

500

What is the Olympic sport in which athletes cross the finish line backwards?

Rowing