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The list of 25 concepts is divided into seven topic areas, including the Nature of Earth Science, which contains items 21-25.
Parts of some of these resources are appropriate for students, while others are more appropriate for teachers or more advanced learners only.Geologic Time is captured in at least two different areas. The other is under the Physical Setting--Changes in the Earth's Surface which includes rates of change.An image of the middle grades (6-8) only part of the Changes in the Earth's Surface map appears below.There are links to texts, graphics, interactive presentations, and online courses for teachers. These maps illustrate connections between concepts and across grade levels.Use them to contextualize and sequence your instruction.