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earth science stug 1

7th grade

what is earth science the name for a group of sciences that deals with earth and its neighbors in space
what does the word geology mean the study of earth
what are the 2 two broad areas that geology are divided into physical geology or historical geology
describe physical geology the examination of the materials that make up earth ; the processes that make up earth; why things erode and change; studying earths materials
describe historical geology studying earths history and the things that have changed in the past and trying to establish a timeline of physical and biological things that have happened on earth
define meterology the study of the atmosphere and the process that produce weather and climate
nebular hypothesis suggest the bodies of our solar sysytem evolved from an enormus rotating cloud called the solar nubula
lighter elements floated outward toward the surface
denser elements sink into the earth because of gravity
Created by: deleted user