Khan Academy on a Stick
Capas Composicionales y Capas Mecánicas de la Tierra
Corteza, manto, núcleo, litósfera, astenósfera, mesósfera, núcleo exterior, núcleo interno
If the above player doesn't work, you can try this direct link.
Corteza, manto, núcleo, litósfera, astenósfera, mesósfera, núcleo exterior, núcleo interno
If the above player doesn't work, you can try this direct link.