Fossil Types

This is produced when sediments fill in a cavity made when an object decayed

• mold

• cast

•  index fossil

Fossils of species that existed for short periods and were widespread

• uniformitarianism

• cyanobacteria

• index fossils

• the answer is NOT uniformitarianism or cyanobacteria

What is the name of this kind of fossil?

• Amber Fossil 

• Exoskeleton fossil

• Trace Fossil

• Petrification Fossil

The fossil of a tiny horse is found in a layer of rock below the fossil of a larger horse. What can you conclude?

• The tiny horse fossil is younger than the larger horse fossil.

• The tiny horse fossil and the larger horse fossil are the same age.

• The tiny horse fossil is older than the larger horse fossil.

• The larger horse fossil is older than the tiny horse fossil.

Tags

NGSS.MS-ESS1-4

An index fossil is...

• a fossil categorization system that lists fossils alphabetically

• a type of fossil formation that involves volcanic activity

• a fossil that lived billions rather than millions of year ago

• a widely distributed fossil, of narrow range in time, regarded as characteristic of a given geological formation

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Hardened tree sap is called

• diamonds

• amber

• tar

• syrup

Below the ice in the arctic there are rocks with fossils. Some fossils found there are of plants that only grow in warm places. Finding this fossil in the arctic shows evidence to support which statement below?

• The rock layer is younger than the ice.

• Some plants can easily grow in rocks.

• The area was once warmer.

• Rock is always covered with ice.

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS4-1

When an organism (usually plant life) becomes compressed between rocks leaving behind only a thin layer of carbon.

• trace fossil

• carbon film

• preserved remains

• petrified (permineralized) fossil

Tags

NGSS.MS-LS4-1

When an organism's hard parts are replaced with minerals turning it into a rock/stone. Example above is permineralized wood.

• petrified (permineralized) fossil

• trace fossil

• preserved remains

• mold fossil

What type of fossil is shown here?

• preserved remains

• cast fossil

• carbon film

• trace fossil

Tags

NGSS.MS-LS4-1