Most dust particles in your house are made from dead skin!
67
If the chemical sodium is dropped into water it will immediately and violently explode.
67
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Cold water weighs more than hot water.
93
A ball of glass will bounce higher than a ball made of rubber.
73
Iron weighs more after it rusts.
68