Unit 3: Geologic Time Vocabulary

What is the term for preserved remains or traces of living things?

• Molds

• Fossils

• Intrusions

• Eras

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which term refers to the age of a rock or fossil compared to other rocks or fossils?

• Absolute age

• Relative age

• Radioactive dating

• Half-life

What is the name of the process used to determine the exact age of a rock or fossil?

• Relative age

• Law of Superposition

• Absolute age

• Fossil record

Which term describes the remains of an organism that have turned into stone?

• Petrified fossils

• Carbon films

• Trace fossils

• Molds

What is the term for a scientist who studies fossils?

• Geologist

• Archaeologist

• Paleontologist

• Biologist

Which term refers to the chronological order of events in Earth's history?

• Geologic time scale

• Fossil record

• Radioactive decay

• Unconformities

Tags

NGSS.MS-ESS1-4

What is the term for a break in the Earth's crust where rocks have slipped past each other?

• Faults

• Intrusions

• Eras

• Periods

Which term refers to the earliest part of Earth's history?

• Precambrian time

• Paleozoic era

• Mesozoic era

• Cenozoic era

Tags

NGSS.MS-ESS1-4

What is the term for the process by which unstable atomic nuclei lose energy?

• Radioactive decay

• Fossilization

• Intrusions

• Unconformities

Tags

NGSS.HS-PS1-8

Which term refers to the preserved evidence of the activity of an organism?

• Trace fossils

• Casts

• Molds

• Carbon films

Tags

NGSS.MS-LS4-1