Earths Spheres Lessons 2 3 Interactions between spheres

Earth’s Spheres Lessons 2 & 3 Interactions between spheres & Earth’s Energy Budget

Main Ideas/Questions �Describe how the Earth’s spheres interact �Be able to give examples of interactions among Earth’s spheres �Be able to define and identify the main source of energy in the Earth system �Describe how Earth’s energy budget explains the flow of energy in the Earth system �Explain how an unbalanced energy budget can affect Earth’s climate

Interactions between Spheres �What is exchanged between the Earth’s spheres? �Matter & Energy �The biosphere and geosphere interact when byproducts of decaying organisms mix into soil and plants and take in nutrients from the soil. �The atmosphere and hydrosphere interact when wind causes waves in the ocean.

Earth’s Energy Budget �The Earth’s main energy source is the sun! �Energy flows into Earth’s system as sunlight and escapes from Earth’s atmosphere as heat �An unbalanced energy budget could increase or decrease global temperatures. �Increased greenhouse gases can trap energy in the atmosphere, increasing temperatures �Melting polar ice caps absorb more energy, increasing global temperatures.

Homework �Read pgs 12 – 15 in your text book �Answer the following questions on a separate sheet of paper - #16 & 19 �Create an “Earth Factory” �Create your own factory that shows how different parts and processes that make up the Earth System work together. Draw a diagram to show the spheres of Earth as if they were components of a factory. The diagrams should have a label of each representation and include a description of the role of each component