How are trace fossils useful for learning about ancient life? Objective Distinguish between trace fossils and sedimentary structures or non-biological processes preserved in rocks Background Teachers should read and review information in A Fossil’s Journey with students. Teachers should print off the Paleontology Museum Trace Fossil Specimen Cards . Preparation Materials Shallow trays or pie plates Modeling clay Carving tools such as plastic knives and spoons, popsicle sticks, etc. Specimen Cards Set up Make sure students understand the difference between a trace fossil and an impression made Duration: 30 Minutes Additional Standards: 3rd Grade: 3-LS4-1, 3-LS4-2, and 3-LS4-3 Essential Question How are trace fossils useful for learning about ancient life? Objective Distinguish between trace fossils and sedimentary structures or non-biological processes preserved in rocks Background Teachers should .