6th Grade Geologic time/Earth Layers Test

What are fossils?

• Old bones of animals and plant life that lived before

• Recognizable remains or impressions of organisms that lived in the past that form within the rock layer

• Models used by scientists to replicate organisms

Tags

NGSS.MS-LS4-1

The Geologic Time Scale

• A calendar of Earth's history based mainly on the fossil record

• A way to tell time based on the Earth's age.

• A way for scientists to scale the Earth's age to smaller numbers

• Only starts during the Cenozoic era

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What is the earliest era of Earth's history?

• Cenozoic

• Mesozoic

• Paleozoic

• Precambrian

• Jurassic

Tags

NGSS.MS-ESS1-4

What is the oldest newest era of Earth's history? HINT: We live in this era.

• Paleozoic

• Cenozoic

• Mesozoic

• Precambrian

• Jurassic

Tags

NGSS.MS-LS4-4

Which of the following is NOT one of Earth's eras?

• Jurassic

• Mesozoic

• Cenozoic

• Precambrian

Tags

NGSS.MS-ESS1-4

True or False:

The Triassic and Jurassic are examples of Earth's periods.

• True

• False

Tags

NGSS.MS-ESS1-4

This era is believed to have been the first instance of life on Earth, primarily within Earth's vast oceans at the time.

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-LS4-1

The Law of Superposition states...

• that each rock layer is older than the one above it

• that each rock layer is younger that the one above it

• that each rock layer has nothing to do with the dating of the fossils within it

Tags

NGSS.MS-ESS1-4

A trace fossil...

• forms when the mud or sand hardens to stone where a footprint, trail, or burrow of an organism was left behind

• forms when organisms or parts, like leaves, are pressed between layers of soft mud or clay, then hardens

• forms when a mold is filled with sand or mud that hardens into the shape of the organism

• forms when sediments bury an organism

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

True or false?

Can inorganic matter be fossilized?

• True

• False