"Relative dating compares layers of rock or sediment to determine whether one layer is older or younger than another. Absolute dating is like stating your age in years. Relative dating is like saying that you are older than your. Above: A scientist takes a sample from a human thighbone thought to date from the Middle Ages."
Feel free to be the first
Please review the linked page for context.
If you can think of something better than this,
please add it to the database