Seafloor Spreading
8:50
Introduction to Volcanoes
12:44
Understanding Plate Tectonics
26:38
Relative Dating of Rock Layers
30:20
This Is The Mysterious 8th Continent Beneath The Ocean
14:02
How the tides REALLY work
48:45
How Plate Tectonics was Discovered
31:33
O Mais Antigo Problema Não Resolvido da Matemática
18:15