Relative and absolute dating activities

Throughout the history of life, different organisms have appeared, flourished and become extinct.

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Correlation with them has helped geologists date many New Zealand rocks, including those containing dinosaurs.

Bring relative dating principles to life with the activity Rock layers and relative dating.

These rates of decay are known, so if you can measure the proportion of parent and daughter isotopes in rocks now, you can calculate when the rocks were formed.

Because of their unique decay rates, different elements are used for dating different age ranges.

Students begin by observing a photograph and a diagram of rock layers near Whanganui, watch an animation about how the layers were formed, then use an interactive labelling diagram to work out the order in which the rocks were created.

Last modified 24-Dec-2019 09:11