Earth science relative dating worksheet

Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years.

However, by itself a fossil has little meaning unless it is placed within some context.Have students wash their hands before starting this activity!They should use a fingernail to make a few breaks in the "crust" or top of the candy bar.For example, based on the primate fossil record, scientists know that living primates evolved from fossil primates and that this evolutionary history took tens of millions of years.By comparing fossils of different primate species, scientists can examine how features changed and how primates evolved through time.

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