How many planets are there in our solar system?
8 Panets
What gas do we breathe to stay alive?
Oxygen
What is the largest land animal?
Elephant
Which travels faster - sound or light?
Light
True or False - Sound travels faster under water than in the air
True
What is the longest/biggest bone in the human body?
Femur (leg)
How many hearts does an octopus have?
3
Can you hear anything in Space?
Nope
What is the smallest country in the world?
Vatican City
Who is the man who invented the telephone?
Alexander Graham Bell
How many bones do sharks have?
Zero!
How many colours are there in a rainbow?
7 - red, orange, yellow, green, blue, indigo, violet
What percent of CO2 is in the atmosphere?
0.04% (it has risen by 40% since the industrial revolution)
At what temperature does sea water freeze?
-2 degrees Celsius
True or False - You can lick your elbow
Mosty False
How hot is the sun?
5'505 degrees Celsius
