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Plate tectonics and rock cycle
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In which nutrient cycle does plate tectonic movement play an essential role.
Phosphorus
Describe what is a sedimentary rock.
A rock that is made from sediment. Layers of sediment pile up on each other and become compacted into rock.
Describe what is metamorphic rock.
Rock that has been exposed to high tempratures and pressures, changing its structure.
Describe what is an igneous rock.
Formed by the cooling of magma.
This layer of the planet is the most dense.
Inner core
Describe the Asthenosphere.
The layer of rock between the lithosphere and mantle. Here the temprature is higher and the rock is softer and more flexible.
Earthquakes are produced by what event?
 
Friction between two plates moving in different directions.
 
Lithosphere being melted in the mantle.
 
New lithosphere being created at a divergent boundary.
 
None of above
Which of the following features are found at the transform boundary?
 
Earthquakes
 
Volcanoes
 
Rifts
 
Trenches
No lithosphere is created or destroyed at this boundary.
Transfrom boundary
Oceans and their plates are produced by this boundary?
Divergent
New lithosphere is created at this plate boundary.
Divergent boundary
Lithosphere is destroyed at this plate boundary.
Convergent
Which plate boundary/ies produce volcanoes?
Convergent and divergent
Give three examples of weathering.
Ice-wedging, exfoliation, root-wedging, oxidation, hydrolysis etc....
True or false? Less dense material is found deeper in the planet interior.
False
True or false? The inner and outer core are made from the same elements?
True
Sediments are produced by what process?
 
Weathering
 
Sedimentation
 
Mineralization
 
Erosion
Which of the following is not a type of plate boundary?
 
Volcanic
 
Convergent
 
Divergent
 
Transform
What rock type is produced by exposing other rocks to heat and pressure?
 
Metamorphic
 
Igneous
 
Sedimentary
 
Basalt
Which rock type is made from lots of smaller rocks and minerals?
 
Sedimentary
 
Igneous
 
Metamorphic
 
Mineral
Which rock type is produced by magma cooling on the surface.
 
Igeous
 
Metamorphic
 
Sedimentary
 
None of above
Explain what are convection currents regarding plate tectonics.
Surface rock is cooler and more dense. This means it will sink into the less dense mantle. Mantle material is hotter and less dense where it will rise.
This force is responsible for moving the continents.
Convection currents
What is the inner core and outer core made from?
Nickel and iron.
What two conditions increase as we go deeper into the earth?
Temprature and pressure
This layer of the planet is a liquid
Outer core
This is the thickest layer of the planet .
Mantle
This is the thinnest layer of the planet.
Lithosphere