What are ...
Type of fossil made from a tree's sap.
What is amber?
Humans made arrow points and clay pots.
What are artifacts?
Type of fossil made from ancient animals' scat.
What is coprolite.
Sometimes these fossils are made of silver.
What precious metals make a cast fossil?
Frogs, insects, even small mammals are found in the amber.
What can be found inside amber?
Minerals are washed into the empty mold.
How is a cast fossil made?
Type of fossil that is a body part that doesn't decay.
What is an unaltered fossil?
Ancient animals ran across sand or volcanic ash.
How are track fossils made?
Type of fossil that leaves a cavity in the surrounding rock.
What is a mold fossil?