Description: Learn about Earth crust, volcanoes, mountains, earthquakes and how they occur.
Earth's Crust (tectonic plates)Structure
- has solid and liquid mixture called lava
Volcano- caused by plates sliding over each other
- Examples of volcano caused by plate sliding is Northwestern US volcanoes
- caused when plates pull away from each other
Mountains- Plates crash into each other
- Himalayan mountain range
EarthquakesFault
- Plates push against each other in opposite direction
- San Andreas Fault