d. How subduction cause the formation of land mass like mountains and volcano? e. Why does earthquake occur in subduction zone? (The area where subduction occur) Synthesis: Based from figure A and B. how convection and conduction is inter-

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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Question
d. How subduction cause the formation of land mass like mountains and
volcano?
e. Why does earthquake occur in subduction zone? (The area where
subduction occur)
Synthesis: Based from figure A and B, how convection and conduction is inter-
related?
Transcribed Image Text:d. How subduction cause the formation of land mass like mountains and volcano? e. Why does earthquake occur in subduction zone? (The area where subduction occur) Synthesis: Based from figure A and B, how convection and conduction is inter- related?
What's inside the Earth's Mantle?
subduction
subduction
mid-ocean ridge
Mantle
7 convection,
convection
Core
Figure A. Convection
rising
air cools
warm air
and sinks
GROUND
Figure B. Conduction
Figure A shows a convection cell, warm material rises (up to the surface of the earth)
and cool material sinks. These cooled materials will eventually turn to land
formation. In mantle convection, the heat source is the core. The core of the earth is
very hot. It is nearly as hot as the surface of the sun – about 6000°C. Convection
current is relevant to the movement of tectonic plate because the heat builds up
pressure underneath the crust (tectonic plates). As they become unstable, they push
against each other (subduction) and rise upwards or one goes under the other.
Figure B shows the process of conduction on how air molecules come in contact with
the warmer surface of the land or ocean, resulting to the increase of its thermal
energy through conduction. The thermal energy of the core is transferred to the
surface of the earth and the lower levels of ocean by conduction.
upwelling
Transcribed Image Text:What's inside the Earth's Mantle? subduction subduction mid-ocean ridge Mantle 7 convection, convection Core Figure A. Convection rising air cools warm air and sinks GROUND Figure B. Conduction Figure A shows a convection cell, warm material rises (up to the surface of the earth) and cool material sinks. These cooled materials will eventually turn to land formation. In mantle convection, the heat source is the core. The core of the earth is very hot. It is nearly as hot as the surface of the sun – about 6000°C. Convection current is relevant to the movement of tectonic plate because the heat builds up pressure underneath the crust (tectonic plates). As they become unstable, they push against each other (subduction) and rise upwards or one goes under the other. Figure B shows the process of conduction on how air molecules come in contact with the warmer surface of the land or ocean, resulting to the increase of its thermal energy through conduction. The thermal energy of the core is transferred to the surface of the earth and the lower levels of ocean by conduction. upwelling
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