What is Earth Science? What are the Earth System’s four Spheres? What are cycles and how do they work?

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Presentation transcript:

What is Earth Science? What are the Earth System’s four Spheres? What are cycles and how do they work?

 System: A kind of model often used to describe the natural world.  Closed System: ENERGY enters and may leave, but MATTER does not leave  Open System: ENERGY and MATTER are free to enter and leave

 Volcano  Energy is released, matter released as lava  Light bulb  Electrical Energy enters, light is released  Tree  Sunlight, water, & Carbon Dioxide in, water and oxygen released, seeds and leaves drop to ground  Ocean  Sunlight enters, water enters through runoff and precipitation, water leaves through evaporation  Boiling Water  Heat enters, heat and vapors are released

 Population  Resources  Impact  Science helps educate us and find solutions!!!

 The movement of Energy into and out of the Earth System  A.K.A. The Energy Budget  Balance is the Key: equal energy in and out

99.985% of total energy  It comes from nuclear reactions in the sun Drives winds, ocean currents, waves, and weather.

 Geo means Earth  Thermal means Heat  0.013%  Drives the movement of Earth’s crust, Volcanoes, Earthquakes, and Geysers  Important role in the Rock Cycle

 0.002% of the energy budget  Results from the moon’s pull on the Earth’s oceans  Powerful enough to slow down the Earth