Fossils

A fossil imprint made by the outside of the organism.

• Cast fossil

• Mold fossil

• Trace fossil

• True Form Fossil

Mold that was filled in and then turned into rock; It shows positive images of the organism.

• Decompose

• Mold fossil

• Stromatolites

• Cast fossil

A fossilized sign that a plant or animal once lived in an area

• Mold fossil

• Cast fossil

• Trace fossil

• True form fossil

The actual plant or animal; the whole organism has been preserved.

• True form fossil

• Mold fossil

• Preserved

• Fossilization

A scientist who studies fossils

• Biologist

• Teacher

• Superintendent

• Paleontologist

Make or become rotten; decay

• Preserved

• Sedimentary Rock

• Decompose

• Rot

Layered fossils; oldest known fossils

• Trace fossils

• True form fossils

• Stromatolites

• dinosaur

Kept from decaying

• kept

• preserved

• fossil

• protect

The process by which the remains of ancient living things are turned into rock.

• photosynthesis

• fossilization

• erosion

• weathering

Rocks formed by layering of material in water/ fossils are often found in this rock.

• Sedimentary Rock

• Sandstone

• Limestone

• Marble