Geologic Time
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How can we develop and use models to organize Earth’s history including eras, periods, and epochs according to the geologic time scale using evidence from rock layers?
IntroductionWhat is this puzzle a picture of?
If you said the Earth...you're correct! Even though this puzzle isn't completed yet you can still figure out what the big picture is right? This is exactly what scientists do when they put the pieces of the fossil record together to create a picture of Earth's history. Scientists summarize Earth's history into something called the geologic time scale. |