St.6-Level 1-Geologic Time (with Rock Rules Review)

The GEOLOGIC PROCESS that are SHAPING the EARTH FOR BILLIONS of years.

• Uniformitarianism

• Relative Dating

• Absolute Dating

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Placing GEOLOGIC EVENTS in sequential based on their ORDER in the rock record (ex.younger, older)

• Uniformitarianism

• Relative Dating

• Absolute Dating

Tags

NGSS.MS-ESS1-4

Assigning a SPECIFIC DATE to an object, usually using radioactive elements.(ex. 250 MYA)

• Uniformitarianism

• Relative Dating

• Absolute Dating

Tags

NGSS.HS-PS1-8

Time required for HALF of a radioactive sample to Decay

• Radiometric Dating

• Precambrian Eon

• Half-life

Tags

NGSS.HS-PS1-8

Using the HALF-LIFE of RADIOACTIVE ELEMENTS to DETERMINE the AGE of material.

• Radiometric Dating

• Precambrian Eon

• Half-life

Tags

NGSS.HS-PS1-8

BEGINNING of the EARTH- 88% of Earth's History

• Radiometric Dating

• Precambrian Eon

• Half-life

Tags

NGSS.MS-ESS1-4

• Most of the CONTINENTS were COVERED in warm, shallow SEAS- (lots of sea life)

• Ended with a MASS EXTINCTION- killed 90% of marine organisms

• Mesozoic Era

• Paleozoic Era

• Cenozoic Era

Tags

NGSS.MS-LS4-1

• DINOSAURS roamed the earth

• SMALL MAMMALS and BIRDS appeared

• Ended with a MASS EXTINCTION that KILLED OFF the DINOSAURS

• Mesozoic Era

• Paleozoic Era

• Cenozoic Era

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

• Began 65 million years ago and still continues TODAY!!

-AGE OF MAMMALS- live in land, air and the sea.

-HUMANS evolve

• Mesozoic Era

• Paleozoic Era

• Cenozoic Era

Tags

NGSS.MS-LS4-1

Happens when as many as 90% of ORGANISMS DIE

• Mass Extinctions

• Principle of Original Horizontality

• Principle of Superpostion

Tags

NGSS.MS-LS4-1