| A | B |
|---|
| magma | molten material underground |
| lava | molten material on surface |
| eruption | forcing up of molten material out of ground |
| obsidian | rock made from cooled lava that looks like glass |
| Pumice | rock made form cooled lava with pores |
| Mount Saint Helens | famous volcano |
| Hawaii | place where amny volcanoes form |
| ash | released into the air from volcanoes |
