Includes the following slides:
What is a volcano?
How are volcanoes formed?
What are the different stages of volcanoes?
Why do volcanoes erupt?
How many volcanoes are there?
What are the different types of volcanoes?
What is the difference between lava and magma?
Why does lava take a long time to cool down?
What is the largest active volcano?
What is the Ring of Fire?
Bill Nye the Science Guy Video: Volcanoes