Fossils and Geologic Time Scale

These fossils are found in rock layers and identify the relative age of the layer.

• Index

• Preserved

Tags

NGSS.MS-ESS1-4

Geologists study the relative _____ of rock layers.

• look

• age

Tags

NGSS.MS-ESS1-4

Uniformitarianism is the principle that states geological events ( earthquakes,volcanoes ) have occurred in the ____ and will occur in the present and future.

• past

• core

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

Which of the fossils is the oldest?

• Dinosaur

• Bird

• Shell

• Ammonite

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

How do scientist know when a mass extinction took place?

• They find more fossils of plants.

• They find fossils of animals that died suddenly.

• They find a sudden disappearance of many fossil species.

• They find evidence of changes in Earth’s atmosphere.

Tags

NGSS.MS-LS4-1

Which period are we currently in?

• Quaternary

• Holocene

• Jurassic

• Tertiary

Tags

NGSS.MS-ESS1-4

Approximately how old is the Earth?

• 250 million years

• 4 billion years

• 1.5 billion years

• 4.6 billion years

Tags

NGSS.MS-ESS1-4

If a scientist found a fish fossil in the desert, what can they infer?

• An animal ate the fish.

• The water covered the area long ago.

• Today's fish looks the same

• The fish is endangered.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

What are the oldest fossils and why?

• B, C- because they are closest to the top

• A, B- because they are closest to the bottom

• They are all the same age- because they are all found on layer 2

• A, B- because they are found closest to the top

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

_______________ is the long span of time that begins geologic time.

• Precambrian Time

• Cenozoic Time

Tags

NGSS.MS-ESS1-4