The video group discusses the initial ideas question, whether combining ingredients to make the cake batter is a physical change or chemical reaction. They also talk briefly about baking the cake.
A group in class shares their whiteboard response to the initial ideas question. They describe which parts of making a cake are physical changes and which parts are chemical reactions. The instructor then summarizes the group's answer.
Using their presentation board, a group presents their answer to the two parts of SQ #2 to the class. They use the flow chart on page CR-11. At the end of their presentation, the instructor asks them a question and other students in the class help answer it.
Using their presentation board a group presents their answer to the two parts of SQ #3 to the class. They identify elements, compounds and mixtures in the ingredients for Total™ cereal.
UCR A1 Video Clip 1: Video group discusses initial ideas question—physical changes and chemical reactions when making a cake
UCR A1 Video Clip 1: Video group discusses initial ideas question—physical changes and chemical reactions when making a cake