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Geochronology

Rock Clocks​

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Grades: 8-12​

Length: 60-90 minutes

Topics: Geologic time, fossil record, radioactive rocks

Lesson description: With 4.5  billion years of history, Earth has seen many changes in life and geology. Students will learn how to think about time on geologic scales. We also teach students about how geologists can tell time in rocks using the fossil record and radioactive decay of minerals in rocks. Don’t worry - These rocks are safe! 

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Earth Art​

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Students can use chalk to draw different geologic processes and structures to increase their understanding of them. They can then connect different kinds of rocks to how they were formed by these processes and what structures they are found in.​

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