1. It might be hard to think of a subject like Earth Science generating a lot of

controversy. In fact, many early scientists who proposed that the Earth’s age was quite

old were taking a big risk. Why do you think this is?

2. What is the difference between relative and radiometric dating and why is radiometric

dating more accurate?

3. Why is it generally more difficult to find very old rocks on the Earth than it is to find

them on the moon?