McGraw Hill
Mc Grawl Hill: Dino Dig
A virtual lab allows you to do radiometric dating on dinosaur bones. You'll be using a mass spectrometer and utilizing several steps of the scientific method.
University of California
Ucmp: A Relative Dating Activity
An learning activity to help students grasp the concept of relative dating and geologic time.
US Geological Survey
The Numeric Time Scale
This is a good source for getting an in-depth description of using radioactive decay to measure the ages of rocks. In addition to describing the process of radiometric dating, this resource also includes a geologic time scale and four...
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Dating Popcorn
In this activity, students use popcorn to simulate the process scientists use to date layers in an ice core.