Nylon is made from coal and petroleum.
42
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
A ball of glass will bounce higher than a ball made of rubber.
73
A cesium atom in an atomic clock beats over nine billion times a second.
43
Pure water (H2O) does not conduct electricity on its own.
46
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
A cubic yard of air weighs about 2 pounds at sea level.
31
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44