What are volcanoes and earthquakes?

Magma has a lot of pressure inside of it since it contains a lot of gas. When the pressure builds up the magma can gush out of weak spots in the crust . A volcano is an opening out of where the weak spots in the crust erupt.

Created with CAST's UDL Book Builder
CAST would like to thank Texthelp Inc. for use of the SpeechStream toolbar

Now that you are almost finished reading the book think about how you could summarize this story to someone who does not know anything about volcanoes.

Listen

Select this then click anywhere in the book to start reading text Speak the current selection Stops speech playback Double-click a word in the book and click this icon to translate the word into Spanish