What is Geological Time Scale ? Fossil What is Geological Time Scale ? Answer: Geological Time Scale divides the Earth's history into intervals of time defined by major events or changes on Earth. FossilFive main types of fossilsHow is a fossil formed? What do fossils tell us?What is a fossil? Share this Share on FacebookTweet on TwitterPlus on Google+ Learn More Multiple Choice Question :What is Geological Time Scale ?Five main types of fossilsWhat do fossils tell us?What is a fossil?How is a fossil formed?