Earth Science Study Guide Latest Update Graded A+

Earth Science Study Guide Latest Update Graded A+ What is the Lithosphere? The Earth's outer layer, comprising the crust and the uppermost mantle. What makes up the Hydrosphere? All water in the Earth's system, including vapor, ice, and liquid forms. Define Atmosphere. The layer of gases surrounding Earth, mainly nitrogen (78%) and oxygen (21%). What is the Troposphere? The lowest atmospheric layer, where temperature decreases with altitude. Explain Longitude (meridians). The angular distance measured in degrees east or west of the prime meridian. 2 What is Latitude? The angular distance measured in degrees north or south of the equator. Describe the Equator. An imaginary line around the Earth, equidistant from the North and South Poles. What are Contour Lines? Lines on a map that connect points of equal elevation, illustrating the terrain's shape. What is a Contour Interval? The vertical space between two adjacent contour lines on a map. What is a Topographic Map? A map depicting the land's shape and elevation through contour lines. Define Minerals. Naturally occurring, inorganic solids with a specific chemical formula and crystalline form.