This Focus On is presented as part of  Junior Cycle Geography. It looks at the earth's surface and in particular what shapes the crust.

The Crust & its Rocks

• Discover How Rocks Are Formed 
  Good descriptive with animation on formation of igneous, sedimentary and metamorphic rocks.

• Forces that Shape the Earth's Crust - Britannica
  Taken from the Encyclopaedia Britannica article on the Earth. (Only accessible through Schools Broadband)

• Rock - World Book
  What are rocks and the different types of rock. (Only accessible through the Schools Broadband Network)
  

  Plates of the Crust

• You Don't Need a Seismograph to Study Earthquakes
  Provides a guide to building a model to simulate plate movement.
  
  
• Plate Tectonic Animations 1
  Presents different animations corresponding with different stages of the break up of the continents. (Requires broadband)
  
  
• Hot Spots
  Animation of the Formation of the Hawaiian Islands
  
  
• Exploring Earth: Visualizations
  A valuable collection of animations of processes of the physical world, with ch. 8 to ch. 11 covering Plate Tectonics, Volcanoes, Earthquakes, Mountain Building. (Requires broadband)

• How Earthquakes Happen
  Clear animation from the BBC. Step-by-step detail on the causes of earthquakes. Includes printable PDF.
  
• Earthquake Simulator
  You get to choose the type of ground on which a building is built, the type of construction measures taken in the building and the magnitude of the earthquake. Then - let the earthquake begin and see the damage.
  
  
• Tsunami
  Clear animation with a step-by-step guide on the causes and effects of tsunamis. Includes a voice-over commentary. Very clear.

• Plate Tectonics Quiz
  Ten question multiple choice quiz.
  

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