Curated OER
Science Puzzlers, Twisters, and Teasers: The History of Life on Earth
A somewhat amusing assignment, this activity lists statements that an ancient organism may have made and asks learners to determine what geologic era that each may have lived in. It uses witty word puzzles and fill-in-the-blank-style...
Curated OER
AP: Chapter 26: Origin of Life
Five pages take biologists on a generalized survey of the origin of life. Queries are made regarding theories of how life developed, ancient Earth conditions, and the ever-changing field of taxonomy. The experiments of different...
University of California
Ucmp: The Paleozoic Era
An excellent overview of the Paleozoic Era. It also provides a chart where you can learn information regarding each of the time frames within the era.
University of California
Ucmp: Introduction to the Cenozoic
A good brief review of The Cenozoic Era, which also includes links to more detailed information as well as a chart of its subdivisions.
University of Utah
University of Utah: Genetic Science Learning: learn.genetics: Geologic Time
Appreciate the immensity of geologic time by scrolling through a timeline. Includes links to relevant portions of a video lecture and a detailed time line.