Rock Layers and Fossils

Uncover Earth's past! Learn about rock layers and fossils with this fun science worksheet.

Use the illustration below to answer each question. Which rock layer is the oldest? #1 #2 #5 #6 Millions of years ago, this area was covered by and ocean. Which rock layer shows this time period? #1 #2 #5 #6 In which layer of rock are scientist most likely to find a shark fossil? #1 #2 #5 #6 Dinosaurs used to roam this land before it was covered by ocean. When did dinosaurs live on this land? 50 million years ago 100 million years ago 140 million years ago 230 million years ago Scientists think this land also used to be covered by large plants. Looking at the fossils, when did this take place? 50 million years ago 100 million years ago 140 million years ago 230 million years ago Would a land animal be able to survive in this area 140 million years ago? Yes No Would sharks and whales be able to survive in this area 3,000 years ago? Yes No Would you possibly find human fossils in rock layer #6? Yes No