Tuesday, February 19, 2013

Island Arcs & Ocean Trenches

1. How and where do ocean trenches form? They form at convergent plate boundaries when one subducts between another.

2. Describe an island arc ? It is bands of islands shaped like An arc because of tectonic and volcanic behavior.

3. What is the deepest trench in the world? The Mariana Trench in the west pacific.

4. What trench does Japan lay next to? The Japan trench.

5. Why do island arcs ARC? (why aren't they a straight line?) It us the results from shapes of plate movement across the earth.

6. My Goanimate.com embedded Video

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