Chapter 7

explains that Earth's outer shell (lithosphere) is divided into large, moving plates that interact at their boundaries, causing earthquakes, volcanoes, and mountain building. 

• Mesophere THeory

• Core Theory

• Lithosophere theory

• Plate Tectonics Theory

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•The Earth’s surface is broken into pieces that move on the asthenosphere

• core

• Lithosphere

• asthenosphere

• mesophere

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Part of the earth that has high temperatire, high pressure solid that moves like a liquid

• lithosphere

• asthenoshpere

• mesophere

• outer Core

What causes plate motion in the asthenosphere

• thermal convection cells

• lava

• water cells

• fragmentation

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At present, there are _____ large plates (carrying the continents and

much of the Pacific Ocean), and about 20 smaller plates.

• 5

• 9

• 11

• 7

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The Earth's crust's density, influenced by its igneous rocks, is directly tied to ____________, which describes the order in which minerals crystallize from cooling magma.

• layering

• Bowen's reaction series

• Pacific series

• Ocean currents

The Continental Crust is ____________ and _________

• thick and less dense

• thin and less dense

• thick and more dense

• thin and more dense

The Oceanic Crust is ______________ and ______________

• thicker and less dense

• thicker and more dense

• thinnner and less dense

• thinner and more dense

How Fast do Plates move

• as fast as a fingernail grows (21 to 25 centimeters per year)

• as fast as a fingernail grows 10-20 centimeters per year)

• as fast as a fingernail grows 10 to 15 centimeters per year)

• as fast as a fingernail grows (2 to 5 centimeters per year)

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types of Plate boundaries- all that apply

• convergent

• transform

• transfix

• divergent