Volcanoes Flashcards
1
Q
Volcanoes can form along_______plate boundaries, when one plate subducts under another
A
Convergent
2
Q
Magma from the hot ______ rises through cracks in the crust and forms a volcano.
A
Mantle
3
Q
At __________ plate boundaries, magma rises in cracks between the two plates, forming volcanoes.
A
Divergent
4
Q
Volcanoes that are not associated with plate boundaries are called _______
A
Hot Spots
5
Q
Geologists theorize that hot spots form over ______, which are places where hot magma rises due to convection currents in the mantle.
A
Plume
6
Q
Most volcanoes occur on or along _________
A
T Plate Boundaries
7
Q
The release of a large amount of volcanic ash can affect Earths climate by blocking ______
A
Sun Light
8
Q
Gas bubbles are kept form escaping when magma has high _______
A
Viscosity
