Air
It is known that one lung in human body is bigger than the other one. Which and why?
In human beings, the right lung is larger than the left lung to accommodate the heart.
How much of the Earth`s surface is covered in water?
Approximately 70%
"Fire triangle" represents the three components that fires need to exist. What are they?
Heat, oxygen, fuel.
What is the word for land that has fallen down a slope?
landslide
What can you swallow that can also swallow you?
Water
How many breaths per day do we take:
a) 7000
b)27000
c)17000
c)17000
What is the percentage of water in human brain?
70%
What is the worst time for firefighters?
Christmas time.
I have seas without water, coast without sand, towns without people, mountains without land. What am I?
A map
Who is the director of "The fifth element?"
Luc Besson
I am lighter than air but a hundred people cannot lift me. Careful I am fragile. What am I?
A Bubble
How can you escape a tsunami if you are in a boat?
Go offshore as far as you can. The safest place for a vessel in the event of a tsunami is offshore in deep water. So, if your boat is in deep water, you can easily survive a tsunami.
The color of the flame in a fire depends on...
amount of oxygen.A low-oxygen fire will give off a yellow glow. A high-oxygen fire burns blue.
What are the most useful inhabitants of the soil?
Earthworms. Their activity offers many benefits, from increased nutrient availability and better drainage, to creating a more stable soil structure.
How many times can a paper be folded, regardless of it's size?
7 times
Imagine John, a party magician, is carrying three pieces of gold,each piece weighing one kilogram. While taking a walk he comes to a bridge which has a sign posted, saying the bridge could hold only a maximum of 80 kilograms.
John weighs 78 kilograms and the gold weighs three 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.
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
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 an outbreak of bubonic plague.
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.
What starts with E, ends with E and only has one letter?
Envelope
Are there any parts of the human body that get oxygen directly from the air and not from the blood?
Yes. Upper-layer skin cells and the cells in the front surface of the eyes get a significant amount of oxygen directly from the air rather than from the blood.
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.
Yes, human blood is green in the deep ocean.
This object has been used to light the Olympic torch since ancient Greece existence.
Parabolic mirror
Where would you have to travel to visit the longest unbroken mountain chain in the world?
The Atlantic Ocean floor
What is the Olympic sport in which athletes cross the finish line backwards?
Rowing