Unit 4 Exam Review

What are the most explosive volcanoes?

Since Mt. Everest is the tallest mountain, it has to have the deepest root

How much of the Earth's surface is below sea level?

What have isochron maps proven about ocean crust?

The volcanoes in the Circum-Pacific Belt form because of magma rising to fill spaces from diverging plates

Most earthquakes occur where?

The _____ of tectonic plates have the most earthquakes

When continents collide with each other they make?

Why was continental drift not accepted at first?

What does the Richter scale measure?

4 out of every 5 earthquakes happen in the Circum Pacific Belt

Why do people farm at the base of active volcanoes?

Isostatic rebound happens because of buoyancy and gravity

Besides around the Pacific, where do most other earthquakes happen?

Continental-continental collisions produce no subduction zones. Why?

How does plate tectonics support evolution?

Which type of plate boundary results in the tallest mountains?

Crust near ocean ridges are_______compared to crust near trenches

This happens when a tectonic plate moves over a hot spot

The reason why some rocks near the mantle don't melt is because of water