Lessons in this Chapter:

12.1 The Origin of Earth

12.2 Early Earth

12.3 History of Earth’s Life Forms

Notes

This chapter covers how the solar system, the earth and the moon were formed.  It also covers how the oceans and atmosphere formed on early earth and how life evolved. The suggested activity for this chapter is to view the NOVA program Origins: Earth is Born (after lesson 12.1) and Origins: How Life Began (after lesson 12.3). A Brief History of Life, in the interactive section of the student lesson 12.3, goes along with the NOVA program.

Printables

Plethora Activity Sheets

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Other Worksheets and Handouts

Geologic Time Periods

Back to the Past with the Geologic Time Scale – There are several good worksheets in the Attachments section