Volcanoes and volcanic rocks.
- videocassette (VHS)(20 min.) : sd., col. 1/2 in.
A short film which looks at several different kinds of volcanoes including an oceanic volcano as well as a collection of volcanic rocks that are formed from volcanic activity.
Rocks, Igneous--Study and teaching.
Volcanoes--Study and teaching.
A short film which looks at several different kinds of volcanoes including an oceanic volcano as well as a collection of volcanic rocks that are formed from volcanic activity.
Rocks, Igneous--Study and teaching.
Volcanoes--Study and teaching.