What Is Earthquake | Seismic Waves | P and S Waves

The study of seismic waves provides a complete picture of the layered interior. Why does the earth shake? What are P and S waves? What are surface waves and body waves? What are propagation of earthquake waves? schools online, online classes for middle schoolers, online education programs for high school, teaching online high school, online courses for middle school Tool i use to make videos:- http://amzn.to/2jxqiHI Video of Dr. Keith Miller demonstrating P & S waves https://goo.gl/SQypKg Fill this feedback form for a better learning experience https://goo.gl/vrYPBw Click here if you want to subscribe https://www.youtube.com/user/TheRealSengupta