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Geological Time Scale and Fossils

Geological Time Scale and Fossils

Assessment

Flashcard

Science

6th - 8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

Student preview

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15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the Geological Time Scale?

Back

A system used by geologists and paleontologists to describe the timing and relationships of events in Earth's history.

2.

FLASHCARD QUESTION

Front

What are fossils?

Back

Remains or traces of ancient organisms preserved in rock.

3.

FLASHCARD QUESTION

Front

What is Amber?

Back

Hardened resin of ancient trees.

4.

FLASHCARD QUESTION

Front

What does Precambrian time refer to?

Back

An informal unit of geologic time consisting of the first three eons during which Earth formed and became habitable.

5.

FLASHCARD QUESTION

Front

What can the presence of marine fossils on mountaintops indicate?

Back

That these rocks were once below the surface of an ocean.

6.

FLASHCARD QUESTION

Front

What is a mold in geology?

Back

A cavity in rock that is formed when an organism is buried and then decays.

7.

FLASHCARD QUESTION

Front

What is a cast fossil?

Back

A fossil that forms when minerals fill a mold and create a replica of the original organism.

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