Science Ideas and Concepts
Scientific study requires a basic knowledge and understanding of ideas and concepts. This collection explains the ideas that are fundamental to Dating the Past.
Relative dating – Information Sheet
Relative dating places events in sequence, without providing numerical dates. The matching of fossils, called correlation, plays an important part in dating rocks.
Absolute dating – Information Sheet
Absolute dating methods provide actual dates of rocks, in numbers of years. Most of these methods are radiometric, which make use of the decay of radioactive isotopes in minerals.