Curated OER
Absolute Ages of Rocks
In this ages of rock instructional activity, students review the processes involved with determining the ages of rocks which includes the radioactive decay of carbon-14. This instructional activity has 5 matching and 5 short answer...
Curated OER
Absolute Ages of Rocks
In this age of rocks worksheet, students answer five matching questions about terms related to the decay of atoms. They use a strip of paper to simulate half life of atoms and determine the total amount of time it took to deplete the paper.
Curated OER
Excavating the Past
Students discover how palaeontologists conduct a dig for fossils and how they interpret the age of the fossils. In small groups, they prepare a "dig site" consisting of bones, rocks and soil layered in a cardboard box. They switch boxes...