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We are the World Water, carbon and phosphorus, oh my!! Onions Rock n Roll Hodge Podge $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 This is the outer most Earth system which consists of a mixture of gases and particles of matter. What is the atmosphere? This Earth system contains all of Earth’s water. What is hydrosphere? This is the largest of the Earth systems. What is the geosphere? This Earth system contains all of Earth’s living things. What is the biosphere? A cliff is part of this Earth system. What is the geosphere? This is where plants obtain phosphorous from. What is dissolved water in the soil? These are two ways that carbon dioxide leaves the biosphere. What are cellular respiration and organisms dying and decaying? This is the only system that the phosphorous cycle does not cycle though. What is the atmosphere? These are ways that carbon can enter the atmosphere. What are volcanism, cellular respiration, burning fossil fuels, forest fires and decomposition? These are the ways that carbon can leave the atmosphere. What are absorption by water, photosynthesis, and stored in fossil fuels? This layer of the geosphere is NOT solid. What is the outer core? This is very dense due to an abundance of iron and magnesium. What is oceanic crust? This is the densest layer of the Earth. What is the inner core? This is the least dense layer of the Earth. What is the crust? These are the two parts of the mantle and a description of each. What is the lithosphere is the part of the mantle that contains the crust and uppermost mantle that is brittle and the asthenosphere is the weak, partially melted layer of the mantle? This type of rock forms when molten rock cools and hardens. What is an igneous rock? This type of rock forms when sediment is eroded by water, wind, ice, or gravity and deposited in layers. What is sedimentary rock? This is the name of the scale that ranks a mineral based on their hardness. What is the Mohs scale? This is the tendency of a mineral to break along irregular surfaces. What is fracture? This type of rock forms when an existing rock is subjected to extreme pressure and temperatures. What is a metamorphic rock? This is where the Earth's largest reservoir of carbon is located. What is the geosphere? This is the hardest mineral, a 10 on the Mohs scale. What is a diamond? When you dig a hole, you see layers of soil with different colors and content. These layers are called ________. What are horizons? This is what we call the remains of something that was once alive. What is organic matter? True or False: All changes to Earth happen slowly. Give an example to support your response. What is false? Hurricanes, tsunamis and volcanic eruptions can change the Earth’s surface very quickly!