In these documents, teachers are given two examples of a similar activity. Think about how you can modify activities to make them more or less structured using these examples, and try them out in the classroom!
Clicking the links will download the files.
Sea Ice, Glaciers, and Sea Level Rise lesson (.PDF)
Sea Ice, Glaciers, and Sea Level Rise – more structured (.DOC)
Sea Ice, Glaciers, and Sea Level Rise – less structured (.DOC)
Students draw the location of ancient coastlines onto a bathymetric contour map.
Mapping Ancient Coastlines