The force of a suction cup is calculated using F=AP.
15
No matter how cold it gets, gasoline will not freeze.
107
One barrel of petroleum holds 42 gallons.
20
Iron weighs more after it rusts.
16
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Aluminum used to be more valuable than gold!
84