joakman2016-05-11T10:48:43-04:00 "The Case of the Missing Joules"
For ages 9-14. A two-page story about how energy can change forms (for instance, from calories to horsepower) written in a humorous style. There are also six follow-up (easy, one-step) math problems that use an energy conversion table (wouldn't you know it--the very...