Instructional Video4:21
SciShow Kids

Could I Dig a Hole Through the Earth?

K - 5th
Have you tried to dig a deep hole? So deep that you could dig all the way to the other side of the Earth? It's pretty hard, and lots of people have tried. So what's stopping us from digging through the Earth? It has something to do with...
Instructional Video5:11
Curated Video

Floating on a Sea of Molten Rock

3rd - 8th
Dr. Forrester explains how tectonic plates are at the heart of earthquakes and volcanoes.
Instructional Video
Incorporated Research Institutions for Seismology

Iris: Layers of the Earth

9th - 10th
Earth's interior is broadly grouped into three main layers on the basis of chemical composition: crust, mantle, and core. An egg analogy is used to show relative thicknesses, and a Big Hunk analogy illustrates how a material of a single...