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Consequently, the story of Earth and the evolution of its systems, as it can be understood at the K-12 level, is much richer than what has been taught at this level in the past.
Thus some of the framework’s essential elements differ considerably from previous standards for K-12 science and engineering education.
The most important justification for the framework’s increased emphasis on ESS is the rapidly increasing relevance of earth science to so many aspects of human society.
It may seem as if natural hazards, such as earthquakes and hurricanes, have been more active in recent years, but this is primarily because the growing population of cities has heightened their impacts.
Only in the relatively recent past have people begun to recognize the dramatic role humans play as an essentially geological force on the surface of Earth, affecting large-scale conditions and processes.arth and space sciences (ESS) investigate processes that operate on Earth and also address its place in the solar system and the galaxy.Thus ESS involve phenomena that range in scale from the unimaginably large to the invisibly small.Vast amounts of new data, especially from satellites, together with modern computational models, are revealing the complexity of the interacting systems that control Earth’s ever-changing surface.And many of the conclusions drawn from this science, along with some of the evidence from which they are drawn, are accessible to today’s students.
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These systems have differing sources of energy, and matter cycles within and among them in multiple ways and on various time scales.