Name
Content Practice B
Date
Class
LESSON 3
Absolute-Age Dating
Directions: Answer each question on the lines provided.
1. What is meant by the absolute age of rock?
2. What is an isotope?
3. What happens to unstable isotopes?
4. What happens during radioactive decay?
5. What is half-life?
6. What is radiocarbon dating?
7. Which rock is radiometric dating most useful with? Why?
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Clues to Earth’s Past