• Geologic time is often a difficult concept for students to grasp. There is a tendency to relate time to events in our lifetime. Therefore, try the following experiment. Imagine that you have an infinite deck of cards. You deal one card every second. How may cards can you deal in one day?

    An a day keeps the doctor away.

  • How many cards can you deal in 1 year?

    Answer

  • Geologists think that the Earth is approximately 4.5 billion years old (4,500,000,000). How many years would it take you to deal this many cards at one card per second (to the nearest year)?

    Answer