Continental Drift and Sea-Floor Spreading
Quiz by Alexander Shannon
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- Q 1/14Score 0is the hypothesis that all the continents had once been joined together in a single landmass called Pangaea and drifted to their present day positions29Continental drift theory
14 questions
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- Q1is the hypothesis that all the continents had once been joined together in a single landmass called Pangaea and drifted to their present day positionsContinental drift theory30s
- Q2Crust and the uppermost part of the mantle (tectonic plates)lithosphere30s
- Q3huge moving slabs of solid rocktectonic plates30s
- Q4region below the lithosphere on which the tectonic plates moveasthenosphere30s
- Q5theory that Earth's lithosphere is divided into tectonic plates and these plates move slowly on top of the asthenospherePlate Tectonic Theory30s
- Q6all the continents were once joined together in this supercontinentPangaea30s
- Q7-mountains ranges in South America and Africa line upEvidence from landforms30s
- Q8-fossils of the Glossopteris (fern-like) plant found on many different continentsEvidence from Fossil30s
- Q9-fossils of a tropical plant found near the Artic OceanEvidence from Climate30s
- Q10German scientist that proposed the theory of Continental Drift around 1910-1915Alfred Wegener30s
- Q11A circulation pattern in which material is heated and rises in one area, then cools and sinks in another area, flowing in a continuous loopConvection Currents30s
- Q12the process by which new oceanic lithosphere forms as magma rises and cools at the mid-ocean ridgesea-floor spreading30s
- Q13a chain of mountain ranges on the ocean floor where new oceanic crust formsMid-ocean ridge30s
- Q14is the process by which denser oceanic lithosphere sinks back into the asthenosphere to melt and become magmasubduction30s
