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Lesson summary for:
The ChronoZoom Time Atlas of Earth History and Big History

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Overview:
This resource presents Big History in a sequence of time scales through graphic panels. Each panel is accompanied by a page of text, discussing the historical features shown in the panel.

Author/Source:
UC Museum of Paleontology

Grade level:
13-16

Time:
1 hour

Teaching tips:
This resource is designed to help students comprehend vast timescales in courses about Earth history or "Big History," the currently active effort to bring together in a unified way all of the information about the past, both humanistic and scientific.

Concepts:
Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.

  • Biological evolution accounts for diversity over long periods of time.

  • Through billions of years of evolution, life forms have continued to diversify in a branching pattern, from single-celled ancestors to the diversity of life on Earth today.

  • Life on Earth 3.8 billion years ago consisted of one-celled organisms similar to present-day bacteria.

  • There is evidence of eukaryotes in the fossil record from about one billion years ago; some were the precursors of multicellular organisms.

  • Geological change and biological evolution are linked.

  • During the course of evolution, only a small percentage of species have survived until today.

  • Tectonic plate movement has affected the evolution and distribution of living things.

  • Living things have had a major influence on the composition of the atmosphere and on the surface of the planet.

  • Mass extinctions occur.

  • Extinction can result from environmental change.

Teacher background:

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