Chapter 3 Vocabulary SS

Front

the preserved remains of a plant or animal from long ago

Back

fossil

Front

a scientist who learns about the past by studying fossils

Back

paleontologist

Front

an object made by human beings from long ago

Back

artifact

Front

a scientist who studies the lives and culture of people from the past

Back

archaeologist

Front

a period of time long ago when the climate in what is now Pennsylvania was warmer and wetter, during which giant plants and animals lived

Back

pennsylvanian period

Front

a shelled sea creature which is now extinct

Back

trilobite

Front

a person who travels in search of food

Back

nomad

Front

the planting of seeds and growing of crops

Back

agriculture

Front

long wooden building covered by bark or grass and shared by several families

Back

longhouse

Front

a fenced wall made from logs

Back

palisade