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Earth Sience 2
Layer of Earth and plate tectonics.
Question | Answer |
---|---|
What is Pangea? | A super-continent that exsisted millions of years ago. |
How many plate tectonics is the broken into? | 12 plate tectonics. |
Transform boundries are when... | two plates slide past each other horizontally. |
What do transform boundries cause? | A Friction. |
What is the cause of change of the Earth's surface? | Plate Tectonics. |
Convergent boundries are when... | plates are moving towards each other. |
What is subduction? | Subduction is when a heavier plate sinks under a lighter plate and goes back to the mantle. |
Divergent boundries are when... | plates are moving away fron each other. |
What is made during a divergent boundry? | New crust. |
What is made during a convergent boundry? | Mountain Ranges. |
What is the layer of Earth that we live on? | Crust. |
What is the name of the viscous layer of Earth which is made of hot rocks? | Mantle/ asphenosphere. |
How much do plates move each year? | About 2 cm. |
What can accure during an eathquake? | Land-slides, tsunamis, quicksand. |
Whay do plates move? | Because of the convention currents. |
What is an oceanic plate? | Crust that's under the oceans. |
What is a continental plate? | crust that's dry land. |
What is the name of the layer of the Earth, that's liquid and is mostly iron and nicole? | Outer core. |
What is the name of the layer of the Earth the is a dense ball and is the hotest layer of the Earth? | Inner core. |
During which boundry does sunbductio often happen? | Convergent boundries. |