One barrel of petroleum holds 42 gallons.
20
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Hot water can freeze faster than cold water.
181
The bark of an older redwood tree is fireproof.
65
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Nylon is made from coal and petroleum.
42
Aluminum used to be more valuable than gold!
84