Physical Geography Inside Earth • Layers: • Crust: thin layer of rock, sand and soil • Mantle: thick layer of rock (melted…deeper is solid) • Core: center of Earth, made of nickel and iron Earthquakes and Volcanoes • What causes them? • What do they look like? • https://www.youtube.com/watch?v=w3AdFjklR50 • https://www.youtube.com/watch?v=xExdEXOaA9A Bodies of Water • Ocean: a very large part of the sea. • Lake: a large body of water surrounded by land. • River: a large natural stream of water flowing in a channel to the sea, a lake, or another such stream. • Glacier: a slowly moving mass of ice. • Delta: landform that forms at the mouth of a river, where the river flows into an ocean, sea, estuary, lake, or reservoir. • Bay: a broad inlet of the sea where the land curves inward. Landforms • Mountain: a large natural elevation of the earth's surface rising abruptly from the surrounding level. • Desert: A dry, often sandy region of little rainfall, extreme temperatures, and sparse vegetation. • Volcano: a mountain or hill that has a crater or vent through which lava, rock fragments, hot vapor, and gas can erupt from the earth's crust. • Canyon: a deep gorge, typically one with a river flowing through it. • Plateau: an area of relatively level high ground. • Plain: a flat region. • Peninsula: a piece of land almost surrounded by water or projecting out into a body of water. • Island: a piece of land surrounded by water. The Five Climate Regions • Polar Climates • Cool/moist Climates • Warm/moist Climates • Dry Climates • Tropical, rainy Climates What affects climate? • Latitude • Elevation • The Ocean Earth’s Resources • • • • Natural Resource: anything we use that comes from the Earth. (air, water…what else?) Fossil Fuels: coal, oil, or natural gas that formed over millions of years from the remains of plants and tiny animals. Renewable Resources: resources that can be replaced as they are used (trees, etc.). Nonrenewable Resources: resources that cannot be quickly replaced (coal, natural gas, etc.). Earth’s Resources • What do we use them for? • Which resources can be harmful to our planet? • Which resources are the best option in terms of providing for but NOT HARMING our planet?