Aluminum used to be more valuable than gold!
84
Sound travels fifteen times faster through steel than through air.
134
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Pumice is the only rock that floats on water.
14
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The earth is approx. 6,588,000,000,000,000,000 tons.
175