Plate Tectonics Flashcards
Whats the first layer of the earth?
Inner layer
Whats three ways plates move
Constructive destructive passive
Whats a convection current
When the circular movement of the magme in the mantleis heated by the outer core it rises and when it starts to cool it moves sideways eventually the cool magme sinks back down and it repeats
How a volcano works
1 magme rises up from mage chamber
2 magme reaches the surface called lava
3 when the volcano erupts it forms an ash cloud
4 as more eruptions happen layers of lava build up forming a cone shape
5 lava countienues to flow from crater at the top
Positive of a volcano
The soil gets better from ash or can also be an attraction for peoples hotels
Negitives
Land loss. Trauma. Could very easily kill people
Whats a destructive plate
The plates move towards eachother and the heavier one disappears underneath
Whats a passive plate?
The two plates slide past eachother
Whats a constructive plate boundry?
When two plates move apart
