Plate Tectonics
Quiz by Nicki Prax
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16 questions
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- Q1What is Pangaea?a supercontinent made of the present day continentsa large ice sheeta fern that lives close to the equatora continent made from the continents in the southern hemisphere30s
- Q2What evidence suggests that continents were once joinedtopography of the seafloordivergent plate boundariesconvergent plate boundariesthe puzzle-like fit of coastlines30s
- Q3Seafloor spreading is a process thatoccurs at mid-ocean ridgesdestroys oceanic crustcauses continents to plow through the seafloor30s
- Q4Magnetic stripes on the seafloor show thatcrust is destroyed at ridgesEarth's magnetic field has changedearthquakes are common in the ocean30s
- Q5What are tectonic plates?slabs of oceanic crustslabs of lithosphereslabs of asthenosphereslabs of continental crust30s
- Q6What happens at a transform plate boundary?plates move away from each otherplates move toward each otherplates slide past eachother30s
- Q7What causes tectonic plates to move?magnetism on the seafloorearthquakes in the crustconvection in the mantleocean currents30s
- Q8Where is a subduction zone located?at a divergent plate boundaryat a convergent plate boundaryat a tranform boundary30s
- Q9The San Andreas Fault is located where?at a convergent plate boundaryat a divergent plate boundaryat a transform plate boundary30s
- Q10What is the correct term for what is happening at point a in the picture?mid-ocean ridgeoceanic crustmagma30s
- Q11What type of plate boundary is shown in the diagram?convergent plate boundarydivergent plate boundarytransform plate boundary30s
- Q12Many of California earthquakes are caused bytwo plates moving away from eachotheran oceanic plate and a continental plate collidingtwo plates sliding past one anothertwo continental plates colliding30s
- Q13Wegener's proposal of a supercontinent was supported byseafloor magnetismrock, fossil, and climate dataearthquake dataconvection currents in the mantle30s
- Q14why was Wegener's continental drift hypothesis rejected when it was first proposed?Wegener had little seafloor magnetic dataWegener could not explain what caused the continents to moveWegener had no climate or fossil dataWegener could not explain why coal beds were present in Antartica30s
- Q15How does seafloor spreading support continental drift?continents are not part of the Earth's lithospherecontinents are static parts of the Earth's crustcontinents move with the ocean floorcontinents plow through the ocean floor30s
