How Do Convection Currents Form?

Answer

Convection currents form when the hot magma rises and the cool magma falls. This happens as the liquid moves in circular patterns. Convection currents occur in the mantle.
1 Additional Answer
Convection currents are formed when the fluid in a container heats up and the dense fluid falls to the bottom of the container and the less dense fluid rises to the top. This forms a circular motion.
Q&A Related to "How Do Convection Currents Form?"
Convection curents happen when the sea is warmer than the lands. This works the other forces the cold air to go up and fill the space the hot air has left.
http://answers.ask.com/Science/Other/how_do_convec...
from the uneven heating of the earths surface from the uneven heating of the earths surface
http://wiki.answers.com/Q/When+you+heat+a+pot+of+w...
If heat continues to be supplied, the cooler fluid that flows in to replace the
http://www.chacha.com/question/how-do-convection-c...
The sun drives convection in the atmosphere and, to a lesser extent, in the oceans. Heated air rises in convection currents from the Earth's surface in columns called "thermals
http://www.ehow.com/facts_5723446_causes-convectio...
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Convection currents are formed in the Earth's mantle. ...
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A convection current is the movement of gas or liquid caused by the temperature differential. For example, warm water will expand causing it to be less dense ...
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