What water data does the USGS gather? What does river stage mean? Does stage tell you how much water is flowing? A 100-year flood two years in a row. How can that be? Is measuring water in a well like measuring a stream? Why do water levels in wells rise and fall? Floods, droughts, glaciers: Floods Q&A; Droughts Q&A; Glaciers Q&A; Q&A home:
Egocentrism: Childrens' thoughts and communications are typically egocentric (i.e. about themselves). Egocentrism refers to the child's inability to see a situation from another person's point of view. According to Piaget, the egocentric child assumes that other people see, hear, and feel exactly the same as the child does. Play: At the beginning of this stage you often find children engaging in parallel play.
In astronomy, the Geocentric model (also known as Geocentrism, or the Ptolemaic system) is a superseded description of the universe with the Earth at the center. Under the geocentric model, the Sun, Moon, stars, and planets all circled Earth. The geocentric model served as the predominant description of the cosmos in many ancient civilizations, such as those of Aristotle and Ptolemy. Two observations supported the idea that the Earth was the center of the Universe.