How Earthquakes Cause Tsunamis: A Grade 7 Science Guide This instructional video explains the basics of tectonic plates and how their movements cause earthquakes beneath the ocean floor. It shows how seismic energy transfers underwater to create tsunamis that can devastate shoreline communities. Designed for grade 7 students, the video uses dynamic animations to clearly illustrate these geological processes. It also highlights important safety and preparedness tips to help students understand ho