fossil - a part of an organism's body or a trace fossil which is a mark or print left by the organism., organism - any individual living thing, decay - to break down or wear away, amber - a fossil resin from tree sap, usually translucent, yellow-brown color, mold - a fossil that forms when the remains of an organism leave an imprint in the sediment after the organic material has been completely replaced., cast - a type of fossil formed when sediment fills a mold of an organic object such as a fossil shell, creating a replica of that object made of sediment., carbon - an element that is found in almost all compounds that make up living things., mineral - a natural, solid substance found in rocks; each mineral has a specific chemical make up., erosion - when soil is moved from one location to another by wind or water., weathering - the physical or chemical breakdown of rocks and minerals into smaller pieces.,

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