Igneous Rocks Video by Myrna Martin
The Igneous Rocks video accompanies the related Fun Science Identification textbook and can be downloaded instantly.
Myrna Martin introduces each lesson in the textbook on the video. Myrna covers not only the main points in the lesson she also includes extra information on the topic that is not contained in the written material.
There are 12 lessons in total contained over 2 videos.