Dinosaur Ghosts

10 terms by tlpowers 

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erosion

all the natural processes that wear away earth and rock

evidence

the data used to draw a conclusion

excavation

the process of finding something by digging for it

extinct

no longer living on the earth; having died out

fossils

the hardened skeletons or other remains of creatures of prehistoric times

geologists

scientists who study the earth's crust and the rocks it is made of

hypotheses

scientific suggestions based on what is known so far

paleontologist

a scientist who studies prehistoric life

specimens

samples taken for scientific study

theory

an idea that is based on evidence but that cannot be stated as fact

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