Shared Flashcard Set

Details

The History Of The Earth Timeline
history of earth
28
Science
12th Grade
09/24/2013
Click here to study/print these flashcards.

Create your own flash cards! Sign up here.

Additional Science Flashcards

 

 

Cards

Term
4.56 BILLION YEARS AGO
 Definition
EARTH FORMS
Term
4.4 BILLION YEARS AGO
 Definition
OLDEST MINERAL GRAIN FOUND
Term
4.1 BILLION YEARS AGO
 Definition
OLDEST PIECE OF ROCK FOUND
Term
3.9 BILLION YEARS
 Definition
OLDEST EVIDENCE OF A CONTINENT
Term
3.8 BILLION YEARS
 Definition
FIRST EVIDENCE OF LIFE
Term
3.5 BILLION YEARS
 Definition
FIRST FOSSILS FOUND(BACT.& ALGAE)
Term
1.8 BILLION YEARS
 Definition
FREE O2 INTO THE ATMOSPHERE
Term
1.1 BILLION YEARS
 Definition
FIRST FOSSIL OF COMPLEX ORAGANISM FOUND
Term
540 MILLION YEARS AGO
 Definition
FIRST ABUNDANT LIFE FOUND IN THE ROCK REDCORD
Term
460 MILLION YEARS AGO
 Definition
FIRST FISH
Term
440 MILLION YEARS AGO
 Definition
FISRT LAND PLANTS
Term
410 MILLION YEARS AGO
 Definition
FIRST LAND ANIMALS
Term
250 MILLION YEARS AGO
 Definition
LARGEST MASS EXTICTION
Term
247 MILLION YEARS AGO
 Definition
FIRST DINOSAURS
Term
240 MILLION YEARS AGO
 Definition
FIRST MAMMALS
Term
220 MILLION YEARS AGO
 Definition
BREAKUP OF PANGAEA
Term
145 MILLION YEARS AGO
 Definition
FIRST FLOWERING PLANTS
Term
65 MILLION YEARS AGO
 Definition
DINOSAURS AND OTHER MAMMALS GO EXTINCT
Term
30 MILLION YEARS AGO
 Definition
MAMMALS AND PLANTS BECOME ABUNDANT
Term
5 MILLION YEARS AGO
 Definition
BEGINNING OF CASCADE
Term
1.8 BILLION YEARS AGO
 Definition
FIRST HOMO GENUS
Term
40,000 THOUSAND YEARS AGO
 Definition
FIRST HOMO SAPIENS
Term
13,000 THOUSAND YEARS AGO
 Definition
FIRST HUMANS INHABIT NORTH AMERICA
Term
10,000 THOUSAND YEARS AGO
 Definition
END OF LAST ICE AGE
Term
8,000 THOUSAND YEARS AGO
 Definition
FIRST KNOWN CITY(JERICHO)
Term
2,000 THOUSAND YEARS AGO
 Definition
ROMAN DOMINATON OF THE WORLD
Term
500 YEARS AGO
 Definition
EUROPEANS REDISCOVERY THE AMERICAS
Term
~34
 Definition
HUMANS FIRST EXPLORE THE MOON
Supporting users have an ad free experience!