CHAPTERS: click blue time code to go to that segment
0:00 Intro
0:26 What IS stress?
1:03 Type of stress
1:50 Elastic deformation
3:20 Ductile deformation
4:04 Brittle deformation
5:52 Extensional stress
6:18 Compressional stress
6:59 Shear stress
8:01 Conclusion

This animation describes stress in Earth's outer layer and how it leads to faults and plate boundaries.
Earth’s thin, brittle outer shell of rock is under a constant state of stress. Stress impacts the formation of small local faults, and broader tectonic plate boundaries.
How the rock responds, depends on the type of stress and the conditions the rock is being subjected to when it encounters stress. It is this change in Earth’s crust that generates different types of faults and plate boundaries.