Relative Age Dating and the Geologic Time Scale

In which time period are we currently living?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

The Law of Superposition states

• Younger rocks layers are on top of older rock layers

• Fossils are found in sedimentary rocks

• Older rock layers are on top of younger rock layers

• Absolute age dating

Tags

NGSS.MS-ESS1-4

Which era was the longest, taking up 88% of geologic time?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

Saying you are older than your sister is an example of?

• Absolute age dating

• Relative age dating

• Fossils

• Radioactive dating

Use relative age dating to put the rock layers in correct order from oldest to youngest.

• B, D, A, E, C

• C, E, D, A, B

• A, C, E, D, B

• C, E, D, B, A

Tags

NGSS.MS-ESS1-4

Which is the youngest rock layer?

• Siltstone

• Conglomerate

• Mudstone

• Limestone

Tags

NGSS.MS-ESS1-4

Which rock layer is oldest from Site 1?

• G

• B

• A

• E

Tags

NGSS.MS-ESS1-4

Which of the fossils is the oldest?

• Dinosaur

• Bird

• Shell

• Ammonite

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which layer is OLDER? Layer M or Intrusion P?

• Layer M

• Intrusion P

Tags

NGSS.MS-ESS1-4

Which layer is OLDER? Layer E or Fault H?

• Layer E

• Fault H

Tags

NGSS.MS-ESS1-4