Curated OER
Finding the Ages of Rocks and Fossils
Students practice dating fossils. They learn the concept of "deep time"--that earth was formed billions of years ago. They experience excellent hand-outs and virtual age tutorial links.
Curated OER
Be a "Fossil Detective" an Effective Tool in Earth Science Education
Students examine the geological time scale: the Earth is ancient; time can be divided into periods based on its fossil content.
Curated OER
Early Earth History
In this earth history worksheet, students answer 12 questions about geological time, the eras of Earth, the changes taking place in early Earth and the life present during the eras. They also answer 2 questions about the Paleozoic Era.