For every gallon of sea water, you get more than a quarter pound of salt.
45
The sun is 330,330 times larger than the earth.
75
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The average home creates more pollution than does the average car.
33
One cubic foot of gold weighs more than 1,200 pounds!
78
Sound travels fifteen times faster through steel than through air.
134
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The force of a suction cup is calculated using F=AP.
15