Cell theory pop-up timeline dedicated to the figures of the cell theory is a great addition to an interactive notebook, but it can also be used as a free standing project. The scientists included are Hooke, Schleiden, Schwann, and Virchow, students just add their creativity and imagination to create a masterpiece. Included in the Cell Theory Pop-Up Timeline is a student sheet that covers the directions on how to create the pop-up timeline, as well as a grading rubric. There is a differentiated v