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Fossil
Fun Student Projects
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The
students created their own fossil molds, casts, and trace fossils.
Fossils
are the remains of ancient life. Fossils are found almost
exclusively in sedimentary rock. Fossils form when the remains
of organisms are buried in sediments (most often in an aquataic
environment) and the sediments or the remains are turned into
rock.
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Some
types of fossils are...
Mold:
The void left in a rock when the remains of an organism
decomposes completely.
Cast:
A duplicate of an organism formed when a mold fills with
sediments that turn into rock.
Trace
Fossil: The fossilized remains of tunnels, footprints, excrement,
or other indications of an organism that are not part of
the organism itself.
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© Paulette Dukerich, 2002
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