Explained by Professor Xargle. Discuss different weather conditions in the book. Have students spread out each holding an inflated balloon. Then ask students to pretend they are water molecules reacting to different conditions.
Teacher then calls out the following commands in any order and offer suggestions.
Raindrops-students should stand close together with balloons touching. Student Questions 1. We call things like air gases. When water bits are far apart they are also a gas called water vapor. The bits In the vapor are also invisible because they are so small and far apart from each other.