Science

Frage	Antworten
Lithosphere - Crust Aesthenosphere - Semi solid Liquid, Upper Mantle Convection - Semi solid liquid is heated and rises to the surface and cools, and sinks again. This is convection.	Wegner proved continental drift as plants and animals have been found in other continents. Pangaea - Supercontinent Gondwana, Laurasia - Pangaea split forming these continents
Plate Tectonics - A theory that the earths crust is made of plates If one plate rides on top of another and one sinks into the semi solid liquid below and is destroyed. Folding - When rocks buckle. Anticline - Rocks bending up. Syncline - Rocks bend down. Fault - Break in the earths crust.	Normal fault - Causes one rock to slide downwards. Reverse Fault - One rock slide upwards. Slip Fault - Rocks slide past one another. Faults occur at plate boundaries. Divergent - Where two plates move away from each other and form a new crust.

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