What behavior will seismic waves exhibit when traveling from a lower-velocity material into a high-velocity material?

Question

Quizplus · Accepted Answer

Seismic waves will bend (refract) toward the boundary when traveling from a lower-velocity material into a higher-velocity material. This is because as the waves enter the higher-velocity material, they encounter a denser medium which causes them to slow down and change direction.

What Behavior Will Seismic Waves Exhibit When Traveling from a Lower-Velocity