What is the hardest material on earth?
Diamond
Who is the man who invented the telephone?
Alexander Graham Bell
How many colours are there in a rainbow?
7 - red, orange, yellow, green, blue, indigo, violet
Which travels faster - sound or light?
Light
What is the closest planet to the sun?
Mercury
At what temperature does sea water freeze?
-2 degrees Celsius
Who was the first man to step on the moon?
Neil Armstrong
What is the largest land animal?
Elephant
What is the longest/biggest bone in the human body?
Femur (leg)
How many teeth does an average adult have?
33
What percent of CO2 is in the atmosphere?
0.04% (it has risen by 40% since the industrial revolution)
Can you hear anything in Space?
Nope
How many hearts does an octopus have?
3
True or False - Sound travels faster under water than in the air
True
How many planets are there in our solar system?
8 Panets
What gas do we breathe to stay alive?
Oxygen
How many bones do sharks have?
Zero!
What is the name of our Galaxy?
The Milky Way
Solve this - (32 x 8) + 104 - 27 = ?
333
What is the smallest country in the world?
Vatican City
How hot is the sun?
5'505 degrees Celsius
True or False - You can lick your elbow
Mosty False