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Examples Work Quietly on these Problems • How many grams are in 5 kilograms? • How many kilometers are in 25.0 meters • How may centimeters are in 45.0 hectometers? – Write in regular notation and scientific notation What is Earth Science Earth Science can be broken down into 4 Broad Fields of Study • Astronomy • Metrology • Geology • Oceanography Astronomy Astronomy • Study of Objects beyond Earth’s Atmosphere • Study of Earth’s Neighbors and Beyond Meteorology Meteorology • Study of the air that Surrounds the Earth • What Causes Weather? (The Processes Involved) Geology Geology • Study of the materials that make up the Earth • Processes Involved in Shaping the Earth • 4.6 Billion Years of Formational Processes to Study Oceanography Oceanography • Study of the Oceans • Creatures, Physical and Chemical Nature Earth Systems • These systems are Specific to the Earth Only • All four Systems are Interrelated • They Include – – – – Lithosphere Hydrosphere Atmosphere Biosphere Lithosphere Lithosphere • Outermost Layer of the Earth (Crust and Mantle) • 2 Types of Crust – Continental • Granite – Oceanic • Baslt Hydrosphere Hydrosphere • Contains all water on Earth – – – – – Oceans Seas Lakes Rivers/Streams Glaciers Atmosphere Atmosphere • The Atmosphere is the Layer of gasses that surround the Earth • Protects us from the Harmful Effects of the Sun • 78% Nitrogen, 21% Oxygen, 1% Others Biosphere Biosphere • All the living organisms that inhabit the earth.
