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6. Is oceanic crust lighter than continental crust?
7. What type of plate boundary causes mid-ocean ridges to form at?
- conservative
- Divergent
- Convergent
8. At convergent plate boundaries, do the plates collide or move away?
9. What is the name of the scale which measures the effects that an earthquake can have on people?
- The Mercalli Scale
- The Richter Scale
- The Earthquake Scale
- The tectonic destruction Scale
10. What is an example of a volcano at a divergent plate boundary?
- Mt ocean
- Mt Lucy
- Mt Laki
- Mt Edna
11. What is the name of the plate boundary where no crust is destroyed or created?
- protective
- destructive
- Conservative
- constructive
12. How many people died when the chances peak volcano eruption happened?
13. What is an example of where lava from a hotspot has built up to form an island?
- China
- N. America
- Hawaii
- Great Britain
14. What type of scale does the richter scale use?
- a large one
- a small one
- Logarithmic
- exponential
15. In what year did the Chances peak volcano erupt?
16. What sensitive scientific instrument measures the power of an earthquake?
- Seismometer
- earthquake-measurer
- detectors
17. What is the name of the airport which was destroyed by the chances peak eruption?
- Nature airport
- Bramble
- Twig
- Island airport