If the chemical sodium is dropped into water it will immediately and violently explode.
67
German chemists made a replica of a trophy the size of one molecule.
68
One third of the electricity produced on earth is used to power electric light bulbs!
75
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
A cubic yard of air weighs about 2 pounds at sea level.
31
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7