Earth History Part 1 Vocabulary

What is the age of one object compared to the age of another rock or event?

• absolute age

• index fossil

• law of superposition

• relative age

What is the actual age of a rock or event?

• absolute age

• index fossil

• law of superposition

• relative age

What is the principle where each rock layer is older than the one above it?

• absolute age

• index fossil

• law of superposition

• relative age

Tags

NGSS.MS-ESS1-4

What is the evidence from rock layers and fossils of the life that existed on Earth?

• absolute age

• fossil record

• law of superposition

• line of descent

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What is the term for tracking an organism's ancestors from ancestor to descendent?

• fossil record

• index fossil

• law of superposition

• line of descent

What is an organism that must have lived only a short part of Earth's history, be found over a wide area, and be unique?

• fossil record

• index fossil

• law of superposition

• line of descent

What forms when sediments bury an organism and the sediments change into rock; the organism decays leaving a cavity in the shape of the organism?

• cast fossil

• mold fossil

• petrified fossil

• preserved fossil

What forms when a mold is filled with sand or mud that hardens into the shape of the organism?

• cast fossil

• mold fossil

• petrified fossil

• preserved fossil

Tags

NGSS.MS-LS4-1

What forms when minerals soak into the buried remains, replacing the remains, and changing them into rock?

• cast fossil

• mold fossil

• petrified fossil

• preserved fossil

What forms when organisms or parts of organisms are prevented from decaying by being trapped in rock, ice, tar, or amber?

• carbonized fossil

• petrified fossil

• preserved fossil

• trace fossil