After all students have shared their results have them record their findings by drawing the bottle and it s contents in order on the piece of paper that they recorded their predictions on. These materials could be brought in from home or found within the classroom. Instruct students on the process of assembling racetrack. Trace racetrack onto white paper. Make a class liquid book using every letter of the alphabet and finding a corresponding liquid.
Students take turns decorating the pages of the class book.
Let mixture sit until solids form, about 3 minutes. Instruct students to poor mixture through coffee filter in the second cup. Let as much of the water drain as possible. Scrape solids left over in coffee filter into third cup and stir in the baking soda to make glue. Test your glue by sticking a few small pieces of paper together and let it dry overnight.