Curated OER
Time Line Reporters
Individuals in your class research the origin of an animal and present their discoveries to the class. The first appearance of the animal and its date of extinction are indicated on a class time line.
Curated OER
Diversity of Life: Geologic Time Scale
Students investigate the history of Earth by creating a geologic time scale. For this Earth History lesson, students practice sequencing events in their life as a way to get familiar with creating a time scale. Students complete their...
Curated OER
Law of Superposition
Students define relative dating and describe the law of superposition. They apply their knowledge to construct an accurate geologic time scale. Students examine the importance and function of biotechnology in Earth Science.
Curated OER
Geologic Timelines
Students view geologic time lines and discuss how old the Earth and solar system is, when dinosaurs roamed Earth, and when humans first appeared. They review the four major eons and life that was present in each before creating a time...
Curated OER
Geologic Time on the Web
Students examine a geologic time line on the Internet. They preview questions they are looking for before visiting the "Understanding Geologic Time" website. They browse through the site to find their answers and complete their worksheet.
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.
Texas Instruments
Texas Instruments: Geologic Time Line
A time line of Earth's geologic periods from 600 million years ago.
Center for Educational Technologies
Earth Floor: Geologic Time
This is a nice explanation of geologic time and Earth's major eras. Although this site is designed for younger students, it is mostly text with few images.