Volcanoes are usually mountainous, but do not always take this form. They are landforms where hot molten rock and erupt through cracks in the surface of the Earth. Volcanoes can even be found under water in oceans. The Pacific Ocean area is literally packed with them. There are thought to be just over one-thousand five-hundred active volcanoes in the world.
The worksheets include the basic anatomy, formation, classification, and locations of volcanoes. We also look at the concept of Tsunamis.