PPT-Types of Fossils

Part II Types of Fossils Molds Casts Trace fossils Petrified fossils Body Mold fossils a visible empty space that was left after an organism was buried in sediment and then . Enter. Most often young people hear the word “fossil” and imagine dinosaurs. . However,. . no. dinosaur fossils have been found in West Virginia’s sedimentary rocks. . . West . Virgina’s. Fossil are the preserved remains or traces of living things.. They form when living things die and are buried by sediment.. They are usually found in _______________ rock. 1. . Petrified fossils: . formed by replacement.. What are fossils?. FOSSILS. . are. . the . preserved remains or . traces.  of animals, plants, and other organisms . that lived long ago.. When an organism dies, hard parts of the animal (bones, teeth, shells, etc.) can be preserved in rock.. Remains . of once living organisms.. Form from decay and are buried by sediment.. Sediment hardens into rock and preserves the shape of the organisms.. Fossils. Fossils . Remains. Molds. . Casts. . Chapter 1: Section 1. Standards. H-SS 6.1: Students describe what is known through archeological studies of the early physical and cultural development of humankind from the Paleolithic era to the agricultural revolution.. Dr. . Jagdish. . kaur. P.G.G.C.,Sector. 11. , Chandigarh. . . SIMPLY THE CHANGES OVER TIME. EVOLUTION. Human Evolution. The evolutionary timeline is divided into sections of time called eras – which are then divided into smaller units of time called periods.. Fossils can tell us about our biological (life) past…. We’d have to build stronger refrigerators.. FOSSILS can tell us about our. B. IOLOGICAL PAST.. How can fossils help tell us Earth’s . GEOLOGIC. Molds and Casts. Carbon Films. Preserved Remains. Trace Fossils. Petrified Fossils - . How do they form?. Mineral rich water soaks into cracks and crevices. Minerals “precipitate” and fill the spaces. . Fossils are the . preserved remains . or traces of . living. things. Most fossils form when . living. things die and are buried by . sediments. . The . sediments. slowly harden into . rock. Evidence. Evidence. . of . common ancestry . among species comes from many sources.. . 2. #1 Fossil Evidence. . Fossils. Earth is . Millions. of years old!. Fossils in . older layers . are . more primitive . Can you name any dinosaurs?. Do you know what they looked like or how they moved?. Scientists have been able to tell us many things about organisms (such as dinosaurs) that lived millions of years ago.. Fossils, Geologic Time, Absolute & Relative Dating, and Natural Resources Chapters 5 & 6 How Do Fossils Form? Fossils are found in sedimentary rocks like sandstone, limestone, and shale In Virginia, most fossils are BSc 4. th. Semester (Open Elective). Fundamentals . of Geology (BOE). OPEN ELECTIVE COURSE (OTHER THAN GEOLOGY MAIN STUDENTS. ). Dr Abdullah Khan. Associate . Professor . Department of Geology. AMU. 8. th. grade. Compare . fossils found in sedimentary rock to determine their relative age. . . http://www.brainpop.com/science/diversityoflife/fossils. /. . Standard for this lesson: . How can we tell what lived when?.