One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Pumice is the only rock that floats on water.
14
One cubic foot of gold weighs more than 1,200 pounds!
78
The average temperature at 40,000 feet above sea level is -60 F.
56
The only letter not appearing on the Periodic Table is the letter "J".
180
The average home creates more pollution than does the average car.
33
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17