Geosphere - Pertains to the solid part of the earth., Geosphere is divided in to three layers. - Crust, Mantle, and Core, Crust is known as... - Outermost, and thinnest layer of the Earth, Mantle is composed of... - Silicate rocks, Silicate rocks in mantle are composed of - Magnesium and Iron, Outer Core - Liquid portion of Earths core/Iron and Nickel, Inner Core - Solid portion of Earths core/Iron and Nickel, Give some examples of land formation found in Earths crust, Is magma considered part of the geosphere? - Yes, Hydrosphere - It is composed of all the water portion of the Earth., Examples of Hydrosphere - Ice/Glaciers, water vapor and liquid water, Largest and deepest ocean in the world - Pacific Ocean, It stores 70% of the Earth's fresh water - Glaciers, Atmosphere - It is the Earth's blanket of gases that surrounds the planet., What is the most abundant gas in atmosphere? - Nitrogen, Layers of Earth Atmosphere - Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere, How Aurora Borealis formed?, Biosphere - Composed of all living things and the areas where they are found, How are the four Earth subsystems closely interconnected with one another? - -, Earth is situated in the habitable zone. So what does that mean for us?, Mantle is also considered as the.... - Thickest layer of the Earth, Biosphere - Composed of all living things and the areas where they are found., How does losing one organism affect the food web in the biosphere?,

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