10 question quiz: evolution of earth's atmosphere

How old is earth estimated to be?

• 4.5 million years

• 1 year old

• 4.5 billion years

• 8.5 billion years

Tags

NGSS.HS-ESS1-6

What is the Principle of Superposition?

• uses the known half-life of radioactive isotopes present in objects to determine their age

• in undisturbed strata, the younger layers are closer to the surface and the older layers are deeper.

• the time it takes for half of the original number of radioactive atoms to decay into a different element

• Dissolved iron reacted with oxygen, produced through photosynthesis by cyanobacteria, to form iron oxides.

What is Relative Dating?

• determines age or date of the formation of an object.

• tells scientists if a rock layer is older or younger than another.

• uses the known half-life of radioactive isotopes present in objects to determine their age.

Tags

NGSS.MS-ESS1-4

What determines age or date of the formation of an object.

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS1-6

What uses the known half-life of radioactive isotopes present in objects to determine their age.

• Half-life

• Radioactive Dating

• Isotope Dating

• Radiometric Dating

Tags

NGSS.HS-PS1-8

____ is the time it takes for half of the original number of radioactive atoms to decay into a different element.

Tags

NGSS.HS-PS1-8

The Great Oxidation Event...

• increased weathering rates through oxidation.

• decreased weathering rates through oxidation.

What made elements locked up in rocks available to organisms, increasing biological and mineral diversity?

• oxidation

• stromatolites

• physical weathering

what % oxygen in the atmosphere caused the Carboniferous Rainforest Collapse?

• 30%

• 60%

• 35%

• 100%

What evidence is used to date earth?

• Relative Dating

• Absolute Dating

• Radiometric Dating