One barrel of petroleum holds 42 gallons.
20
4.5 pounds of sunlight strike the Earth each day.
27
A ball of glass will bounce higher than a ball made of rubber.
73
Pumice is the only rock that floats on water.
14
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Most dust particles in your house are made from dead skin!
67
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118