- trace fossil: a fossilized sign that a plant or animal once lived in an area
- fossilization: the process by which the remains of ancient living things are turned to rock
- sedimentary rock: rock made of layers of tightly packed sand and clay
- mineralization: to fill with a mineral substance and convert to a new mineral form
- coprolite: fossilized dinosaur dung
- fossils: remains of ancient life that have been turned to stone
- paleontologist: a scientist who studies fossils and ancient life
- amber: hardened tree sap
- absolute age: specific age of a rock or fossil
- relative age: age of something compared to other things
Parent Tip: Review the logic above to help your child master the concept of fossil worksheets.