Montana History Chapter 1 Vocabulary

Study of the earth’s physical structures and the processes that change those structures.

• Fossils

• Geology

• Paleontology

• Sediment

When the oldest rocks were formed

• Cenozoic

• Palezoic

• Precambrian

• Mesozoic

"Ancient Life"

• Cenozoic

• Palezoic

• Precambrian

• Mesozoic

"Middle Life"

• Cenozoic

• Palezoic

• Precambrian

• Mesozoic

"Recent Life"

• Cenozoic

• Palezoic

• Precambrian

• Mesozoic

Remains or impressions of ancient creatures

• Cenozoic

• Precambrian

• Invertebrates

• Fossils

Animals without backbones

• Cenozoic

• Precambrian

• Invertebrates

• Fossils

Oil, Coal, and Natural Gas

• Paleontologists

• Fossil Fuels

• Magma

• Cenozoic

Masses or slow-moving rivers of ice that advanced across the land.

• Glacier

• Fossil

• Cenozoic

• Mesozoic

Scientists who study fossils

• Geologists

• Paleontologists

• Petroleum Engineer