Article
Khan Academy

Khan Academy: What Is the Biosphere?

For Students 9th - 10th
This article explains that as our knowledge of life on the planet evolves, we've come to use the word biosphere as a way of explaining the entire intertwined network of life on Earth. This concept combines an understanding of geology,...
Lesson Plan
Utah Education Network

Uen: Fossil Inferences

For Teachers 4th
Arrange fossil pictures in sequence from oldest to youngest.
Handout
University of California

University of California Museum of Paleontology: Geology and Geologic Time

For Students 9th - 10th
This site provides information about the geologic relationships of rock layers, as well as much about geologic time and the history of Earth.
Website
University of California

University of California Museum of Paleontology: Uniformitarianism

For Students 9th - 10th
Read about the pioneers in Earth's geologic history and their discovery of how the process of uniformitarianism shaped the study of evolution.
eBook
CK-12 Foundation

Ck 12: Life Science: 4.4 Fossils

For Students 9th - 10th
Understand fossils and the fossil record as it relates to Earth's history.

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