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Ever-Changing Earth1

"6th Grade - Ever-Changing Earth Vocabulary - 01"

volcano a vent in the surface of Earth through which magma and associated gases and ash erupt
earthquake a sudden motion or trembling in Earth caused by the abrupt release of slowly accumulated strain
geology (geologic) the study of planet Earth: the material of which it is made, the processes that act on these materials, the products formed, and the history of the planet and all its forms since its origin
Earth structure a definable shape formed by geologic activity
latitude a north-south measure of a point on Earth’s surface relative to the Equator. The latitude is measured in degrees (0º to 180º) north or south from the Equator
longitude the east-west position of a point on Earth’s surface, relative to the Prime Meridian, an imaginary line chosen on Earth’s surface that stretches from the North Pole to the south Pole and passes through Greenwich, England.
equator an imaginary line around the middle of Earth that is an equal distance from the North and South Poles
Prime Meridian an imaginary line chosen on Earth’s surface that stretches from the North Pole to the South Pole and passes through Greenwich, England
geologist a person who is trained in and works in any of the geologic sciences
topography the general arrangement of a land surface, including its relief (height and slope) and the position of its natural and human-made features
elevation the vertical distance (height) from sea level to a point on Earth’s surface
depth distance below sea level of a point on Earth’s surface.
sea level the average height of the surface of the oceans; it is used as a reference point for the measurement of elevation and depth
color map a map that uses color to show changes in the elevation and depth of Earth’s surface
scale the ratio of the distance between two points on a representation (such as a map or profile) and the actual distance between those two points
satellite in this case, an object orbiting Earth, placed there by humans to communicate signals or to collect and send scientific data
topographic map a map showing the natural and human-made configuration of a land surface, commonly by use of contour lines, colors, and symbols
contour line a line on a topographic map that connects the positions of all points of equal value, for example, all points at the same elevation
Created by: Hushekclan