One barrel of petroleum holds 42 gallons.
20
Cold water weighs more than hot water.
93
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The bark of an older redwood tree is fireproof.
65
In zero gravity, a candle's flame is round and blue.
16
A ball of glass will bounce higher than a ball made of rubber.
73