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earth science stug 1
7th grade
| Question | Answer |
|---|---|
| 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 |