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Resource library Teaching materials Evolution 101

Lesson summary for:
Who's on First? Relative Dating

Students sequence familiar items and then do a similar sequencing activity using fossil pictures to learn how paleontologists use fossils to give relative dates to rock strata.

Barber, Marsha and Bartos, Diane

Grade level:

30 minutes

Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.

  • The sequence of forms in the fossil record is reflected in the sequence of the rock layers in which they are found and indicates the order in which they evolved. (LS4.A)

  • Scientists use fossils to learn about past life. (LS4.A, ESS1.C)

  • Scientists use geological evidence to establish the age of fossils.

Teacher background:

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