Inside Earth Chapter 2 Earthquakes 2.1 Forces in Earth’s Crust

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Presentation transcript:

Inside Earth Chapter 2 Earthquakes 2.1 Forces in Earth’s Crust

2.1 Forces in Earth’s Crust Key Concepts How does stress in the crust change Earth’s surface? Where are faults usually found, and why do they form? What land features result from the forces of plate movement?

2.1 Forces in Earth’s Crust

2.1 Forces in Earth’s Crust Key Terms Stress – A force that acts on rock to change its shape or volumn. Tension - . Compression - . Shearing - .

2.1 Forces in Earth’s Crust Key Terms Normal fault - . Reverse fault - . Strike-slip fault (animation) http://earthquake.usgs.gov/learn/animations/animation.php?flash_title=Strike-slip+Fault+Flash+Animation&flash_file=strikeslip&flash_width=240&flash_height=310

2.1 Forces in Earth’s Crust Key Terms Footwall Hanging wall

2.1 Forces in Earth’s Crust Key Terms Syncline Anticline