A ball of glass will bounce higher than a ball made of rubber.
73
Pumice is the only rock that floats on water.
14
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The only letter not appearing on the Periodic Table is the letter "J".
180
The storage capacity of human brain exceeds 4 Terrabytes.
140
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
A cubic yard of air weighs about 2 pounds at sea level.
31