Geologic Time Scale Analogy

An 81-page slideshow that looks at the principles of geology with respect to relative dating, at different concepts describing geological processes, at absolute age and radiometric dating, at the eons and eras in the geologic time scale,...

In this geological time worksheet, student use a geologic time scale to understand the difference between eons, eras, and periods. Then students complete 2 short answer questions.

How do scientists know the history of Earth before humans—or any mammals—existed? An epic "Eons" series video explains the larger history of geologic time. It highlights the eons, eras, periods, epochs, and ages scientists use to divide...

Springboard your fourth and fifth graders into the study geologic time. They will complete 7 activities to learn about geologic time and the topics most often associated with it: astronomy, creation, planet formation, volcanology,...

A discussion of geologic time, along with a presentation of evidence for the time span involved.

In this Earth Science indoor laboratory inquiry, students will create their own geologic time scale based on observation of teacher supplied, historically correct fossil data and also relevant rock samples with the age of the rock sample...

[Free Registration/Login may be required to access all resource tools.] How the geologic time scale is divided.

Take a quick look at Earth's geologic time scale.

[Free Registration/Login may be required to access all resource tools.] Describes relationship between evolution and the geologic time scale.

Use math to become pitch perfect. Music incorporates various aspects of mathematics. A musician/composer demonstrates the inverse relationship between the length of string and the ratio of the notes in a delightful video. The musician...