Universe
Wild life
Reading
Style
Future
100
What galaxy does our planet belong to?
Milky way
100
What continent does this animal belong to?
Africa. It's called "bullet-wasp", because its bite feels like shot
100
What genre is this book? 
horror
100
What is this? (golden)
button
100
Money, that you can't hold with your hands
cryptocurrency
200
Where did Reserverance landed a few days ago?
Mars
200
Where is this island?
Indian Ocean. Shri Lanka is the land of elephants
200
Who wrote the story about 16-year-old girl and boy in love?
William Shakespeare
200
It's (animal)tail.
PONY
200
You usually use windows, but some crazy men can change it to penguin. What am I talking about?
Linux
300
Why does time go differently on different planets?
Time is the same everywhere, ha-ha
300
Are there any ways to sterilise water without chemicals?
To vaporise it (condensate is clear of bacterias)
300
What country is this writer?
Russia
300
What does this tatoo mean?
freedom
300
Car, that can work with electricity
Tesla car 
400
Can you hear something in open space?
No, there is no air to support sound
400
Why does it happen?
Particles of nitrogen and oxygen collide with each other
400
What is literacy? 
The ability to write and read
400
What is this made of?
velvet
400
"Brain" of every electronic device
central processing unit (CPU) or Processor
500
How long will Solar system live?
5.5 billiards years
500
Who was the first man to explain wildlife?
Charles Darwin
500
Which of these books is non-fiction? 
"Stan Lee"
500
name of this brand
House of versace
500
How many years ago was the first PC created?
30 years ago