Plate Tectonics

1
Plate Tectonics

• Slip sliding away

2
What links the following?

• Volcanoes
• Earthquakes
• Tidal Waves
• Global magnetism

3
Restless Earth

• Nuclear decay inside our planet
• Uranium probably largest source, but not only
  source of interior heating
• Earth is like an onion.it has layers
• Core (two parts)
• Mantle (two parts)
• Crust
• Atmosphere

4
Plate Tectonics

• Why does wood float on water?
• Same mechanism allows plates to float on the
  mantle!

5
Distribution of Plates

• Oceanic and Continental Plates

6
Boundaries Between Plates

• Subduction