A 'jiffy' is an actual unit of time for 1/100th of a second!
66
One 75-watt bulb gives more light than three 25-watt bulbs.
57
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Pure water (H2O) does not conduct electricity on its own.
46
Nylon is made from coal and petroleum.
42
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Iron weighs more after it rusts.
68
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44