| Abstract: | Volcanoes There are thou-sands of volcanoes all over the world. What makes volcanoes? What happens? The inside of the earth is very hot. Be-cause it is very,very hot,the rock has melted like ice.It has become liquid,like water.It is always boiling, like water in a kettle. If you have seen a kettle boiling, you know that the steam and boiling water try to get out. The very hot melted rock inside the earth also tries to get out. Usually it cannot be-cause the outside of the earth is too thick and strong. But ... |
