Geologic time answer key 1 geologic time encompasses all time since the formation of the universe the formation of the solar system the formation of earth the formation of life 2 order the divisions of geological time from the longest to the shortest . Geologic time scale time span of earths past is so great that geologists use the geologic time scale to show earths history the geologic time scale is a record of the geologic events and the evolution of life forms. This lesson introduces the geologic time scale and the concept of time segments being divided by major events in earths history it gives students an opportunity to place various fossils into appropriate periods observe the change in the complexity of fossils and draw conclusions regarding the change. Focus questions key name class directions answer the following questions as you navigate through understanding geologic time 1 how is relative age different from the actual date of an event relative age only tells us the order in which events occurred from the earliest to the most recent. Geologic time scale usually presented in a chart like from with the oldest over time these layers get pressed down until the bottom layers slowly turn into rock known as sedimentary rock examples of sedimentary rocks are limestone shale and sandstone learners own answer
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