Continental Drift And Sea-floor Spreading Question Preview (ID: 48350)


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Who first propsed the theory of continental drift?
a) Hess
b) Pangea
c) Wegner
d) Wilson

All are evidence to support the theory of continental drift except
a) land features
b) climate change
c) fossils
d) rainfall

Sea-floor spreads apart at both sides of a ________ as new crust is added.
a) mid-ocean ridge
b) rift valley
c) trench
d) mountain

Rock's on the sea-floor that lie in a pattern, show a record of the reversals of Earth's _________
a) atmosphere
b) magnetic field
c) temperature
d) diversity

Drilling samples revealed that rock samples taken farther from a mid-ocean ridge are
a) older
b) younger
c) hotter
d) crystal

Who first propsed the theory of continental drift?
a) Wegner
b) Hess
c) Pangea
d) Wilson

All are evidence to support the theory of continental drift except
a) fossils
b) rainfall
c) climate change
d) land features

Sea-floor spreads apart at both sides of a ________ as new crust is added.
a) rift valley
b) trench
c) mountain
d) mid-ocean ridge

Rock's on the sea-floor that lie in a pattern, show a record of the reversals of Earth's _________
a) magnetic field
b) temperature
c) diversity
d) atmosphere

Drilling samples revealed that rock samples taken farther from a mid-ocean ridge are
a) younger
b) hotter
c) older
d) crystal

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