Iron weighs more after it rusts.
16
In zero gravity, a candle's flame is round and blue.
16
Nylon is made from coal and petroleum.
42
No matter how cold it gets, gasoline will not freeze.
107
Sound travels about 4 times faster in water than in air.
408
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
