AS 91412 · 4 credits · Internal
Geological dating
Investigate the evidence related to dating geological event(s)
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You need to investigate how scientists figure out the age of geological events and the rock layers/fossils involved in them. You'll explain different dating methods (like radiometric dating or fossil analysis) and what evidence they provide, showing how geologists use multiple types of evidence together to work out timelines of events in Earth's history.
What to do, grades and common mistakes
- ·Explain what geological event(s) you're investigating and what makes them significant
- ·Describe a range of different dating methods or evidence types (for example: radiometric dating, fossils, rock layers, magnetism, or tree rings)
- ·Explain how each piece of evidence helps determine the age or timing of the geological event(s)
- ·Compare or connect multiple types of evidence to show how they work together to give a more complete picture
- ·Use specific geological examples to support your explanations throughout your investigation
You explain a geological event and describe several types of dating evidence, showing basic understanding of how each method helps determine timing.
You explain in detail how key evidence contributes to understanding the dating of geological events, demonstrating clear connections between evidence types and what they reveal about timing.