12 - Geologic Time

Fossils are preserved in all the following EXCEPT:

• sedimentary rocks

• tar pits

• lava

• ice

Tags

NGSS.MS-LS4-1

As millions of years went by, life became less complex.

• True

• False

Global catastrophes like a huge volcanic eruption or asteroid crashing into the earth can cause

• evolution to stop

• solar and lunar eclipses to multiply

• mass extinctions

• temperature of the earth to stay constant

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS3-2

In which of the following will fossils be preserved?

• mud

• schist

• granite

• gneiss

Tags

NGSS.MS-LS4-1

Iridium is found in meteorites. If we found a layer of iridium in the same age rock layers around the world, what might that indicate?

• many asteroids are found between Mars and Jupiter

• many meteorites have hit earth

• the end of the Mesozoic Era

• One large meteorite may have hit the earth and caused a mass extinction.

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS1-4

Law of Cross-Cutting

• a fault is younger than the intrusion

• oldest rock layers are at the bottom

• the event that cuts across is younger than what it cuts thru

• intrusion is younger than the fault

Tags

NGSS.MS-ESS1-4

Law of Superposition

• oldest rock layer is at the bottom

• oldest rock layer is on top

• all rock layers are the same age

• youngest layer is on the bottom

Tags

NGSS.MS-ESS1-4

A wavy line in a geologic column indicates a

• sandstone

• superposition

• fault

• unconformity

Which type of rock are fossils going to be found in?

• metamorphic

• sedimentary

• igneous

• schist

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

Which would most likely form a fossil?

• pine needle

• shark tooth

• jellyfish

• feather