Unit 2 Earth History Vocab

In which time period are we currently living?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

What are fossils that are abundant, easily recognizable, short lived, and widespread called?

• Preserved fossils

• Index fossils

• Imprints

• Radioactive dating

Preserved remains of plants and animals from the remote past are called?

• Sedimentary rocks

• Radioactive dating

• Decayed organisms

• Fossils

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

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

What does absolute age tell us about a rock layer or fossil?

• The 'exact' age of a fossil determined by radiometric dating

• The relative age of a fossil determined by radiometric dating

• Younger rock layers sit on top of older rock layers

• Older rock layers sit on top of younger rock layers

Tags

NGSS.MS-ESS1-4

What two methods are used for determining the age of rocks and fossils?

• Relative and Absolute Dating

• Carbon and Water Dating

• Sedimentary and Igneous Rocks

• Spatial and Layered Dating

Tags

NGSS.HS-ESS1-5

What does relative age tell us about a rock layer or fossil?

• The age of one rock layer or fossil compared to another.

• The relative age of a fossil determined by radiometric dating

• Younger rock layers sit on top of older rock layers

• Older rock layers sit on top of younger rock layers

Tags

NGSS.MS-ESS1-4

___________________ is the average long-term (30+ years) atmosphere conditions for a specific region. It includes temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds.

• Weather

• Climate

• Forecast

• Global Warming

____ analysis yields clues about how changes in the concentration of atmospheric gases have influenced Earth's climate over time.

• Ice core
• Rainfall
• Borehole
• None of these

Tags

NGSS.MS-ESS3-5

The Law of Superposition helps scientists to determine what?

• The absolute age of rock layers

• The age of fossils

• The relative age of rock layers

• the super powers of squirrels

Tags

NGSS.MS-ESS1-4