Explorations in Earth Science

Video explorations of topics of interest to students of the Earth Sciences at the introductory level produced by Katryn Wiese, Earth Sciences Department, City College of San Francisco

Please see Playlists on YouTube channel for closed-captioned public versions of videos used in physical geology and oceanography classes at CCSF.


Videos are updated regularly to fix mistakes or make improvements. Have some feedback or suggestions? Found an error? Give feedback either through the:

Earth Rocks! YouTube Channel   Earth Rocks! Website Feedback Form.



Creative Commons Attribution-NonCommercial-ShareAlike (CC BY-NC-SA 4.0)

You may reuse this video for non-commercial purposes as long as you provide attribution and offer any derivative works under a similar license. Unless others stated, all images, video, and music produced by Katryn Wiese.

Intro and Exit Music — used with permission (c) Alexis Harte (www.alexisharte.com)