Top Videos in USA
Top Videos in UK
Top Videos in Pakistan
Top Videos in India
Geography Lesson: What is a Volcano?
Sign-in to Subscribe
166 on YTPak
Published on 12 Nov 2012
| over 4 years ago
Watch more films and find learning materials at
The cycle of lava as a destructive and constructive force, building the structure of volcanoes and powering their devastating impact.
Watch more films like this on
Now you can post comments directly on YouTube! Click here to Sign-in using your Google+ account to post comments.
Comments order by (Top Comments)
Loading related videos...