Chapter 7 Test- Plate Tectonics

Most geologists think that the movement of Earth’s plates is caused by _______

• convection.

• continental drift.

• subduction.

• conduction.

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NGSS.MS-ESS2-3

The geological theory of _______ states that pieces of Earth’s lithosphere are in constant, slow motion.

• subduction

• plate tectonics

• deep-ocean trenches

• sea-floor spreading

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NGSS.MS-ESS2-3

A place where two plates slip past each other, moving in opposite directions, is known as a _______

• transform boundary

• divergent boundary.

• convergent boundary.

• rift valley.

The place where two plates come together is known as a _______

• transform boundary.

• divergent boundary.

• convergent boundary.

• rift valley.

Tags

NGSS.MS-ESS2-3

Below is a picture of sea-floor spreading. How are the ocean crusts moving?

• Converging

• Diverging

• Sliding

• No movement

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

How is it possible for new crust to be formed without increasing the surface area of the Earth?

• Crust is destroyed at the same time it is created
• New crust is underwater where it sinks
• New crust breaks more easily than old crust

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-3

This layer of Earth is the thickest part

• crust
• outer core
• mantle
• inner core

What are the two types of crust

• continental and oceanic
• ocean and upper
• lower and upper
• pizza and subway

What are Tectonic Plates?

• A continent 
• The Trees in Vietnam 
• ThE PlaTES That MoVE uNdERGRound :)
• The Plates that move the Continents

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Mountains form from ...

• plates sliding past one another
• collision of plates
• plates moving away from each other

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NGSS.MS-ESS2-2