Earth's Layers and Plate Tectonics
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Questions and Answers

What is the point deep in the Earth’s crust where an earthquake begins called?

focus

What is the name for magma that reaches the surface of the Earth?

lava

What type of mountains are formed along plate boundaries when two plates collide?

fold mountains

What is the name of the underwater mountain range formed where two plates separate?

<p>Mid-ocean ridge</p> Signup and view all the answers

What measures and determines the strength of earthquakes?

<p>Richter Scale</p> Signup and view all the answers

Name one advantage of volcanoes mentioned in the text.

<p>Fertile soil</p> Signup and view all the answers

What causes the plates to move slowly on top of the mantle?

<p>Friction between the convectional currents and the plates</p> Signup and view all the answers

What is the very hot core that heats the magma called?

<p>Inner core</p> Signup and view all the answers

What type of plates are formed where two plates separate?

<p>Constructive plates</p> Signup and view all the answers

What type of plates are formed by two colliding plates?

<p>Destructive plates</p> Signup and view all the answers

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