Further Reading

C.M. Cooney. “Cool Jobs: People with a taste for chemistry.” Science News for Kids. May 30, 2012.

 

S. Perkins. “South America’s sticky tar pits.” Science News for Kids. Oct. 24, 2008.

 

E. Sohn. “Squeezing oil from old wells.” Science News for Kids. May 26, 2006.

 

U.S. Energy Information Administration. “Energy kids: Oil (petroleum).”