The bark of an older redwood tree is fireproof.
65
A ball of glass will bounce higher than a ball made of rubber.
73
Iron weighs more after it rusts.
68
A cubic yard of air weighs about 2 pounds at sea level.
31
4.5 pounds of sunlight strike the Earth each day.
27
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65