Theory of Plate Tectonics

In the Hawaiian islands, the youngest volcano

• is about to subduct into a deep sea trench.

• is above a hotspot.

• is above a mid-oceanic ridge in the Pacific.

• is topped by limestone.

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NGSS.MS-ESS2-3

How can two lithospheric plates move relative to each other?

• They can only converge or diverge.

• They can only collide or slide along each other.

• They can collide, pull apart, or slide against each other.

• They can only move toward each other.

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NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

(a)   is geologic activity that happens within the plate.

What is the driving force for plate tectonics?

• gravity slab pull

• the push of the mid-ocean ridge

• the gravity of the Moon and Sun

• mantle convection

The line of volcanoes that grows on the upper oceanic plate is an (a)  

The geological activity at subduction zones is

• the creation of new seafloor.

• lots of earthquakes and volcanoes.

• hotspot volcanoes.

• fairly nonexistent.

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NGSS.MS-ESS3-2

Large bodies of intrusive igneous rocks are called (a)  

Plate tectonics theory says that

• Earth's geography has been the same for all geologic time.

• Earth's geography is continually changing.

• all geological activity happens at plate boundaries.

• continents drift but scientists do not yet know why.

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

At transform plate boundaries, two plates move toward each other.

• True

• False

Tags

NGSS.MS-ESS2-3

Seafloor spreading is what makes the continents move.

• True

• False

Tags

NGSS.MS-ESS2-3