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Follow a Saharan dust plume across the Atlantic, or track water on its global journey via the hydrological cycle to 'see' the role that energy plays in cycling matter within the Earth system. Energy powers the transformation and movement of matter in all Earth system processes.

Life. It's the one thing that, so far, makes Earth unique among the thousands of other planets we've discovered. Since the fall of 1997, NASA satellites have continuously and globally observed all plant life at the surface of the land and ocean. During the week of Nov.

Helping students build their understanding of Earth's spheres and how they are connected is difficult.  Review the graphics below to help identify the parts of the Earth System and the processes that connect them at the local, regional, and global scales.