Unit CR Activity 10 In-Class Movie To show and then play a movie, click on the arrow or the movie title/description. Repeat to hide it. UCR A10 Movie 1: Conservation of mass in reaction between dry ice (frozen carbon dioxide) and water UCR A10 Movie 1: Conservation of mass in reaction between dry ice (frozen carbon dioxide) and water   Next Gen PET Student Resources Home Page Copyright © 2017 Next Gen PET