Activity #4: Experimental Design

Materials:  foldscope kits, toothpicks, methylene blue, paper. cups, plastic droppers, mouthwash (3 different types)

Part 1: Click here and here to generate ideas around how to integrate mouthwash into your cheek cell analysis from Activity #3. Note, the above videos are meant to generate ideas only, and do not represent exactly what you will see under your microscope. 

Part 2: Using the information in the above video above, and in Activity #3 design and conduct a proper experiment to answer the question below.  Document your experiment in your workbook. 


What effect does mouthwash have on cheek cell appearance?