3. Explain to students that earthquake energy travels in the form ... Introduce to your students the two simplest types of wave interactions with rocks: reflection and refraction.

The core itself consists of a solid inner core and a liquid outer core. There are three types of seismic waves – P waves, S waves and surface waves. P waves are longitudinal waves, and their ...

An 7.6 magnitude earthquake shook the Caribbean, leaving nations on edge as they brace for potential aftershocks.