Describes an inquiry-based scooter activity in which students learn the mathematical concepts of measurement and proportionality and the science concepts of force, motion, velocity, and acceleration while using their problem solving skills. Explains strengths and weaknesses of the activity and includes suggestions for assessment. (YDS)

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)