Plate Tectonics Flashcard

Front

What compositional layer would you travel through in the exact center of Earth?

Back

Inner Core

Front

Which layer is the slow-flowing lower part of the mantle? Options: Lithosphere, Asthenosphere, Core, Mesosphere

Back

Mesosphere

Front

Which compositional layer of Earth is the thinnest?

Back

Crust

Front

Look at the picture. Which statement is true?

A is the core, B is the mantle and C is the crust.

Back

A is the core, B is the mantle and C is the crust.

Front

According to this map, where can you infer that mountains are being formed?
Options:

between the Scotia Plate and the Pacific Plate

,

between the Cocos Plate and the Caribbean Plate

,

between the South American Plate and the African Plate

,

between the North America Plate and the Antarctic Plate

Back

between the Cocos Plate and the Caribbean Plate

Front

How are oceanic and continental crust different?

Back

Oceanic crust is thinner and denser than continental crust.

Front

Process that occurs at divergent boundaries:

magnetic reversals

,

recycling of crustal material

,

formation of continental crust

,

formation of mid-ocean ridges

Back

formation of mid-ocean ridges

Front

What can you infer from the figure?

Back

Oceanic crust is denser than continental crust.

Front

Definition of a tectonic plate boundary.

Back

At a divergent boundary, plates separate.

Front

In what units is the movement of tectonic plates measured? Options: meters/day, meters/week, centimeters/year, kilometers/month

Back

centimeters/year