Plate Tectonics

A boundary where 2 plates slide past each other is a ___ boundary.

• Transform

• Convergent

• Divergent

Tags

NGSS.MS-ESS2-3

A boundary where the plates separate is a ____ boundary.

• Divergent

• Convergent

• Transform

A _____ boundary occurs when 2 plates collide.

• Divergent

• Convergent

• Transform

Tags

NGSS.MS-ESS2-3

True or False: The magnetic stripes on either side of a divergent boundary are asymmetrical.

• true

• false

Answer explanation

The symmetry of the magnetic stripes is what revealed to scientists that new see floor was moving away from the ridge.

Tags

NGSS.MS-ESS2-3

How do ocean core samples support the idea of seafloor spreading?

• The age of the rocks get older as one moves away from a ridge.

• The age of the rocks get younger as one moves away from a ridge.

Tags

NGSS.HS-ESS1-5

Comparing the layers in core samples is an example of ___ dating.

• absolute

• relative

Tags

NGSS.MS-ESS1-4

This geographic feature is a result of which boundary?

• Convergent

• Divergent

• Transform

Answer explanation

That is an image of the Jordan Rift Valley. The earth is separating and new land is forming between the ridges. Image courtesy of National Geographic.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

When oceanic and continental plates collide, why does the oceanic plate subduct beneath the continental plate?

• Oceanic crust is less dense than continental crust.

• Oceanic crust is more dense than continental crust.

• It doesn't, the continental crust subducts.

Answer explanation

All that iron rich basalt makes oceanic crust more dense than continental crust.

True or False: There are parts of Kenorland (the original supercontinent) still in existence today.

• True

• False

Answer explanation

Tags

NGSS.MS-ESS2-3

Evidence for the Euramerican continent lies with...

• fossils

• magnetic reversals

• rock layers

• radiometric dating

Answer explanation

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1