FAQs about Geology

Click on a link below to read our responses to some frequently asked questions.

• What is science?

• What is geology?

• How old is the Earth?

• How old is the Universe?

• Are the decay constants used in the isotopic dating of geological materials actually constant, or do they vary in response to some external force?

• What is a fossil?

• How old are the oldest fossils?

• What are mass extinctions, and when have they occurred?

• Does the fossil record support the idea of biological change over time (biological evolution)?

• What is the geologic time scale?
  

  
  

• What can I do with a degree in Geology?