Sound travels fifteen times faster through steel than through air.
134
The average home creates more pollution than does the average car.
33
One third of the electricity produced on earth is used to power electric light bulbs!
75
Iron weighs more after it rusts.
68
In zero gravity, a candle's flame is round and blue.
16
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13