"Three centuries ago, the English scientist Isaac Newton calculated, from his studies of planets and the force of gravity, that the average density of the Earth is twice that of surface rocks and therefore that the Earth's interior must be composed of much denser material. Our knowledge of what's inside the Earth has improved immensely since Newton's time(...)"
Com és la Terra per dintre?
Apunts: Les capes de la Terra
Exercicis: Exercicis_Capes de la Terra
Documental: La Estructura de la Tierra
Documentaries (english): Learn about the earth
Activitats pràctiques:
Model científic de capes: Model de les capes de la Terra
Model de la Terra: Model of earth's layer
Apunts extres interior de la Terra: Interior Terra
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