<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
Dismiss
Skip Navigation
Our Terms of Use (click here to view) have changed. By continuing to use this site, you are agreeing to our new Terms of Use.

Tree Rings, Ice Cores, and Varves

Scientists can determine absolute ages using tree rings, ice cores and varves.

Atoms Practice
Estimated3 minsto complete
%
Progress
Practice Tree Rings, Ice Cores, and Varves
Practice
Progress
Estimated3 minsto complete
%
Practice Now
Turn In
Understanding Geologic Time Lesson Plan
Community Contributed
Students take an informational tour to gain a basic understanding of geologic time, the evidence for events in Earth’s history, relative and absolute dating techniques, and the significance of the Geologic Time Scale.
Open the resource in a new window.
Please wait...
Please wait...