This curriculum unit revolves around the intriguing nature of dry ice and the incessant curiosity it provokes in all those who have the opportunity to interact with it. The activities featured in this book guide students toward being able to conduct their own independent scientific inquiry while presenting strong scientific content. Activities included in these materials are organized into the following categories: (1) Scientist's Mindset; (2) Systematic Observation; (3) Experimenting; and (4) Conducting Dry Ice Investigations. Information on obtaining and using dry ice and on locating related educational resources is included. (WRM)