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B
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E
10

What falls down but never rises?

Rain

10

How is DNA decoded?

deoxyribonucleic acid 

10

What is the name of the process of splitting food

digestion

10

Which organ in the human body is the heaviest?

Liver

10

From which part of your body does most of the heat come out?

evenly throughout the body

20

Which is the most abundant element in the universe?

Hydrogen

20

What is the hardest natural substance on Earth?

Diamond 

20

How many bones does a shark have? 

0

20

Как назвался первый искусственный спутник, запущенный Советским Союзом в 1957 году?

Спутник 1 

20

A girl meets a Lion and a Unicorn in the forest. Leo lies every Monday, Tuesday and Wednesday, and on the rest of the days he tells the truth. The unicorn lies on Thursdays, Fridays and Saturdays, and tells the truth on the rest of the week. "I lied yesterday," Lev tells the girl. "I lied yesterday too," says the Unicorn. What day of the week does the case take place?

Thursday

30

What is the study of mushrooms called?

Mycology

30

Иногда я бегаю, но не могу ходить 

Нос

30

Что теряет голову утром, но возвращается к ней вечером?

Подушка

30

The motto of everyone who has found something new is the word "Eureka". So the scientist exclaimed, having discovered a new law. What was the name of this scientist?

Archimedes

30

Where is the fastest muscle in the human body?

Eye

40

Why is it haed to clap your hands under water?

Water density is greater than air density

40

What does not have length, depth, width, height but can be measured?

temperature and time 
40

In 1827, the botanist Robert Brown considered the movement of pollen suspended in water. The pollen was randomly moving and wandering. This phenomenon was called Brownian motion, but it was explained only by Albert Einstein 50 years later. What made the pollen move in the water?

movement of molecules in water 

40
What type of macromolecule are enzymes?

Proteins

40

Which elemet has the highest electronegativity?

Fluorine

50

What is the name of the theory that expains the origin of the universe?

The Big Bang Theory 

50

What if the name of the force that opposes motion between two surface in contact?

Friction force 

50

What is the therm for the process by which cells swallow large particles?

Phagocytosis

50

Why can you see lightning before you hear thunder?

Light travels much faster than soud

50

What is the term for a solution that has reached the maximun amount of dessolved solute? 

Saturated solution