This ready-to-use data analysis and calculation packet is the perfect way to reinforce core concepts in your Cell Structure and Function (Osmosis) unit for AP Biology, Honors Biology, or advanced science classes! Students will apply their knowledge of Water Potential and Tonicity to solve a lab mystery. This activity is designed to be used with a data set (either student-collected or the pre-filled group data provided) to analyze the movement of water across a semi-permeable membrane. Analyz