Outer space
In which year did Pluto become a dwarf planet
2006
What is the least dense air
Hydrogen
Who invented the airplane
The Wright brothers
How many times does light loop the Earth per second
7.5
What is the first element on the periodic table
Hydrogen
Who discovered gravity
Sir Isaac Newton
How many people have stepped on the moon
(magic number 6)
12
What element can you chew as gum
Indium
who invented electricity
Benjamin Franklin
What was the first planet discovered
EARTH
What is the last element on the periodic table
Ununoctium
Who invented the thing that gets airplanes off the ground
David Bernoulli
What is the avg distance in between asteroids
300000 kms
How many chemicals are on the periodic table
118
Who invented the light bulb
Thomas Edison