Science Fossils

Preserved evidence of the activity of an organism

Answer explanation

trace fossils

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Species that existed on Earth for a short period of time, were abundant, and inhabited many locations

Answer explanation

index fossils

Tags

NGSS.MS-LS4-1

Fossil copy of an organism made when mold of the organism is filled with sediment or mineral deposits

Answer explanation

casts

Tags

NGSS.MS-LS4-1

One feature cuts across another; feature that is cuts across is older

Answer explanation

cross-cutting

Tags

NGSS.MS-ESS1-4

Layers are deposited in layers in all directions until they thin out and meet at a barrier

Answer explanation

lateral continuity

Tags

NGSS.MS-ESS1-4

Older rock becomes part of a newer rock

Answer explanation

inclusions

Tags

NGSS.MS-ESS1-4

Sediments are deposited in horizontal layers (folded & tilted)

Answer explanation

original horizontality

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

In undisturbed rock layers, oldest rocks are on the bottom

Answer explanation

superposition

Tags

NGSS.MS-ESS1-4

Idea that conditions and organism on Earth change in quick, violent events

Answer explanation

catastrophism

Tags

NGSS.MS-ESS3-2

States that geological processes that occur today are similar to those that have occurred in the past

Answer explanation

uniformitarianism

Tags

NGSS.MS-ESS3-1