Activities in which students determine the half-life of a substance using M&Ms, solve a crime using chromatography, and calculate the speed of a toy car are presented. The activities include the topic, an introduction, the time needed, a list of materials, safety precautions, procedure, analysis questions, and teacher's notes. (KR)

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)