Back to marketplace
Hadean Eon (Group 2)
No description yet. This curated deck is ready for daily study.
Total cards: 8•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (8)
#1
Front (Question)
It is the largest interval of geologic time with a duration of hundreds of millions of years.
Back (Answer)
Eons
#2
Front (Question)
The geologic time scale is divided into four eons, recite them.
Back (Answer)
Hadean eon Archeozoic eon Proterozoic eon Phanerozoic eon
#3
Front (Question)
Eons are divided into smaller time intervals known as _____.
Back (Answer)
Eras
#4
Front (Question)
Eras are subdivided into _____.
Back (Answer)
Periods
#5
Front (Question)
Hadean Eon, named after the Greek god and ruler of the underworld, _______.
Back (Answer)
Hades
#6
Front (Question)
This planet/star is thought to have formed during the Hadean Eon.
Back (Answer)
Moon
#7
Front (Question)
It is the eon of history between the formation of the solar system and the formation of the first rocks on the earth.
Back (Answer)
Hadean Eon
#8
Front (Question)
The Hadean Eon is also known as, ________ 4 to 4.5 billion years ago.
Back (Answer)
The ‘rock-less’ eon