Become a Tree Detective! There are different ways to identify a tree, but the easiest and most reliable is to look and the different shapes and edges of a leaf. Can you describe all the different leaf shapes that Gerry found on her woodland wonder? Why not try it out for yourself next time you head out into the woods. To help you, you can download Gerry's Woodland Wonder Tree Detective Sheet below. Download Tree Detective Sheet Remember, if you found this helpful - share it with your friends!