Completed 0 of 12 questions.
An ounce of gold can be stretched into a wire ___ miles long?
___% of the salt mined in the world each year is used to de-ice the roads in America?
The metal with the highest melting point is tungsten, at ___ degrees Fahrenheit?
how fast does the earth travel through space?
In what year did an Iceberg the size of London broke free from the Antarctic ice shelf?
A cough releases an explosive charge of air that moves at speeds up to _ mph?
An average human drinks about ____ gallons of water in his/her lifetime?
When was the first U.S zoo bulit?
The international telephone dialing code for Antarctica is?
Americans spend approximately $25 billion each year on what?
California's Frank Epperson invented the Popsicle in 1905 when he was how many years old?
In 1860, 'Godey's Lady's Book' advised US women to cook tomatoes for at least how many hours?