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Starting Point-Teaching Entry Level Geoscience > Earth History Approach > How to Organize an Earth History Course or Unit > Land, Life, and Climate Change
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Land, Life, and Climate Change

Since Earth history illustrates many important and complex ideas, it may make more sense to focus on one idea at a time rather than teach several in parallel.

Image from the ND badlands taken by Lou Maher in a light plane

For a student with limited prior science experience, this approach may be less confusing than the increasingly common integrated Earth system perspective, which illustrates a number of complicated ideas all at once. Synthesizing the various processes of change is useful to students who have already learned about plate tectonics, evolution, and climate change separately, but less so for someone still learning the terms.

Alternatively, instructors may wish to emphasize different time periods when teaching particular topics or focus on particular problems and controversies. In this case, teaching the topics separately would be efficient.


Textbooks

One challenge instructors for this sort of course face is that so many modern Earth history textbooks use an integrated Earth systems approach.

Examples

Bralower et al., 1998 teach Earth history three times in their class: the first time focusing on the development of the solid Earth, the second time dealing with changes in the atmosphere and ocean, and finally covering the evolution of the biota.


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