Ink Sandwiches, Electric Worms: And 37 Other Experiments for Saturday Science.The author of Vacuum Bazookas, Electric Rainbow Jelly follows up with another set of fun yet informative science demonstrations. Rather than just listing the necessary tools and instructions for performing an experiment, Downie provides much detail about the science behind each project, including analysis of how each one works and details of the underlying mathematics. Each chapter describes an activity and ends with an advanced challenge. Among the projects is making an hourglass hourglass, glass instrument for measuring time, usually consisting of two bulbs united by a narrow neck. One bulb is filled with fine sand that runs through the neck into the other bulb in an hour's time. that never has to be turned by hand and creating a clock with an ice cube at its core. Downie also explores the chemistry of solar cells and the fluid mechanics fluid mechanics, branch of mechanics dealing with the properties and behavior of fluids, i.e., liquids and gases. Because of their ability to flow, liquids and gases have many properties in common not shared by solids. of a coffee-cup revolution counter. Science teachers and inveterate inveterate /in·vet·er·ate/ (-vet´er-at) confirmed and chronic; long-established and difficult to cure. in·vet·er·ate adj. 1. Firmly and long established; deep-rooted. 2. tinkerers will find this book a joy. Johns Hopkins Noun 1. Johns Hopkins - United States financier and philanthropist who left money to found the university and hospital that bear his name in Baltimore (1795-1873) Hopkins 2. , 2003, 334 p., b&w illus., paperback, $18.95. |
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