Describes two experiments in physics, using the same inexpensive apparatus, that may be performed as projects by high ability secondary science students. (JR)

Presents a lesson on introducing writing into the science curriculum by using an experiment to illustrate the detrimental effect of tobacco smoke on human lungs. Outlines the materials, procedures, a summary of the project, extension activities, and additional information about the writing process. Two handout sheets are included. (RT)