Iron weighs more after it rusts.
68
4.5 pounds of sunlight strike the Earth each day.
27
Aluminum used to be more valuable than gold!
84
The force of a suction cup is calculated using F=AP.
15
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Cold water weighs more than hot water.
93
Pure water (H2O) does not conduct electricity on its own.
46
Liquid TIDE laundry detergent glows under a blacklight.
96