Animals
What colour is a polar bear's skin under its fur?
black
How many planets are there in our solar system?
8
How many bones does an adult human have?
206
A cucumber is about how much water? (in percents)
95%
What is the smallest country in the world?
Vatican City
Which animal can't jump
elephant
What is the name of the galaxy we live in?
Milky Way
What is the strongest muscle in the human body.
tongue
What's the main ingredient in bread?
Flour
How many time zones does Russia have?
11
For how long can a snail sleep?
max three years
What is the largest planet in our solar system?
Jupiter
What is the largest organ of the human body?
the skin
What colour were carrots originally, before they became orange?
purple
What's the most common letter in English?
E
How many brains does an octopus have?
Nine — one central, plus a small one in each of its eight arms
How long does it take light from the Sun to reach Earth?
about 8 minutes
Roughly what percentage of your body's energy does your brain use?
20%
An apple is made up of about 25% of what?
Air (that's why they float)
What was bubble wrap originally invented as?
a wallpaper
How long can a cockroach survive without its head?
about a week
On which planet is one day longer than one year?
Venus
How many litres of saliva do you produce in a year?
About 500 litres (enough to fill 2 bathtubs)
The pink colour of flamingos comes from their food. What do they eat that makes them pink?
Shrimp
This is the only continent with no native snakes or reptiles
Antarctica