At least two ways that volcanoes erupt are discussed in the text. What are they?
When forces in the earth’s crust build up to a breaking point along a fault, the sections move in one of three ways. What are they? Write a short description of each type.
What factors influence whether a rock will “bend” or “break”?
Write a short paper on continental separation using just the facts given in the text. (See also Q&A: Plate Tectonics)
For a more in-depth study of volcanoes, research some of the more famous volcanoes that have erupted in the past. When did they erupt? How devastating to the surrounding areas were they? What types of devastation did they cause? How often do these volcanoes erupt? How long do the eruptions last?
This is week 4 of the experiment started in Lesson 3. Has your mound decreased any? What caused this decrease?
Some volcanoes erupt by just spilling lava out from their top; others explode out of their top
See pages 44, 45.
Whether it is soft or brittle, how deep it is buried
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