At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
One 75-watt bulb gives more light than three 25-watt bulbs.
57
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Balsa wood is classified as a hard wood!
41