Geological events quick check

Front

Who first proposed the idea of Continental Drift in 1912?

Back

Alfred Wegener

Front

The idea that was suggested that the continents were once joined together in a supercontinent called:

Back

Pangaea

Front

What type of evidence did Wegener use to support continental drift?

Back

Rock, fossil, and climate clues

Front

Seafloor spreading occurs at which type of boundary?

Back

Divergent

Front

The theory of plate tectonics explains that earth's plates float on the:

Back

Asthenosphere

Front

What causes the movement of lithospheric plates?

Back

Convection currents in the mantle

Front

Describe what happens at a convergent boundary

Back

Two plates collide and one may sink beneath the other, forming mountains or trenches.

Front

What natural disaster is most often associated with transform boundaries?

Back

Earthquakes

Front

At a __________ boundary, two plates move apart, and new crust is formed at mid-ocean ridges.

Back

Divergent

Front

At a __________ boundary, two plates collide, and one may be forced under the other, creating mountains or trenches.

Back

Convergent