EARTH STRUCTURE:
Crust

EARTH STRUCTURE:
Mantle

EARTH SURFACE:
Core

EARTH STRUCTURE DIAGRAM

PLATE TECTONICS:
Definition

PLATE TECTONICS:
Introduction

PLATE TECTONICS:
Movement

PLATE TECTONICS:
Margin movement

PLATE TECTONICS:
Margin movement diagram

PLATE TECTONICS:
Convergent

PLATE TECTONICS:
Divergent

PLATE TECTONICS:
Transform

EARTHQUAKES:
What is it?

EARTHQUAKES:
Why do they occur?

EARTHQUAKES:
When and where?

EARTHQUAKES:
Measured, Recorded and Predicted

EARTHQUAKES:
The richter scale

EARTHQUAKES:
Richter scale diagram