Presentation on theme: "By Mariyam. Some believe it was specially created. Some scientist believe that life formed because of the chemical reactions billions of years ago."— Presentation transcript:
When an animal or plant dies, it sometimes leaves a mark or it remains in a rock. This is fossil. Scientists study fossils to help them learn about the kinds of creatures that lived in the past. Many of these creatures are extinct to day. This is how the dinosaurs and many other interesting life forms were discovered.