Balsa wood is classified as a hard wood!
41
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
One 75-watt bulb gives more light than three 25-watt bulbs.
57
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
One barrel of petroleum holds 42 gallons.
20
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Scientists in Germany have developed a candy that doesn't cause cavities.
11