Cold water weighs more than hot water.
93
Pumice is the only rock that floats on water.
14
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Sound travels fifteen times faster through steel than through air.
134
4.5 pounds of sunlight strike the Earth each day.
27
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
No matter how cold it gets, gasoline will not freeze.
107
If the chemical sodium is dropped into water it will immediately and violently explode.
67