Media
BBC – Three Minutes to the Centre of the Earth (3:30)
BBC Earth Science – Immensely Powerful Lava Lake, Erta Ale | Earth: The Power of the Planet (3:13)
Be Smart – Why It Took Scientists so Long to Accept Continental Drift (4:19)
The Continents Are Moving. When Will They Collide? – Jean-Baptiste P. Koehl (5:11)
Worksheets