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Fossils

TermDefinition
AMBER a sticky sap from ancient pine trees that has hardened
CAST a fossil that forms when sediment (sand, mud, or minerals) hardens inside of a mold
EVIDENCE any sign or indication that proves something
EXTINCT when all animals or plants of a certan type die and none are left
FOSSIL the remains or impressions of plants or animls that give us information about the past
FOSSIL RECORD a record of life on Earth based on fossil evidence
IMPRINT an impression left by a thin object in sand or mud that hardens into rock
MINERAL a nonliving solid that occurs in nature (examples: gold, silver, diamonds, coal, amber)
MOLD a hollow space with the imprint of a plant or animal
PALEONTOLOGIST a scientist that studies fossils
PETRIFICATION the process in which a plant or animal turns into stone
PRESERVE to protect something so that it stays in its original state
SEDIMENT small pieces of sand, mud, pebbles, and dead remains of organisms
SEDIMENTARY ROCKS rocks formed by layers of sediment in the ground being pressed together over a long period of time
TRACE FOSSILS fossils that are the visible marks or signs of an animal or its activity
BODY FOSSILS a fossil that is the remains of a plant or animal
Created by: sab1nc