earthquake: P waves and S waves - Kids, Britannica Kids

P and S waves travel through the planet Earth after an earthquake. Scientists studying the waves produced by earthquakes learned that Earth

P-wave and S-wave paths through the earth

earthquake - Kids, Britannica Kids

plate tectonics - Students, Britannica Kids

plate tectonics - Students, Britannica Kids

earthquake - Students, Britannica Kids

Seismic wave, Earth's Interior Structure & Movement

Seismic magnitude scales Facts for Kids

P-Waves vs. S-Waves, Definition, Causes & Equation - Video & Lesson Transcript

earthquake - Students, Britannica Kids

earthquake - Students, Britannica Kids

earthquake - Students, Britannica Kids

earthquake - Students, Britannica Kids

earthquake - Students, Britannica Kids