No student devices needed. Know more
15 questions
What is the Geologic Time Scale?
A record of meteorology
A record of the Earth's Geologic history.
A study of Earth's atmosphere.
Biomagnetism
What is the definition of fossils?
The remains or impressions of a prehistoric organism.
Bacteria that build up and is electromagnetic
The study of fossils
Archaeology
What are Eras divided into?
Eons
Epochs
Periods
Strata
What is the smallest division of the GTS?
era
eon
period
epoch
Strata: Definition
Layers of rock
Layers of the atmosphere
Ocean crust
Layers of the earth
What eon do we live in?
Cenozoic
Precambrian
Phanerozoic
Cenozoic
What era do we live in?
Mesozoic
Cenozoic
Paleozoic
Quaternary
Which of these is a characteristic of index fossil?
Abundant
Index fossils are very scarce
Only appears in one type of area
Lives a long life
When did the Quaternary period begin?
2mya
1.8 mya
4.6 mya
2.1 mya
When did the Precambrian eon begin?
4.6 Billion Years Ago
3850 MYA
542 MYA
541 MYA
What term is the Precambrian referred to? (2 answers)
Precambrian Time
Precambrian Eon
Precambrian Era
Precambrian Super era
In an undisturbed rock formation which layer is the oldest?
The surface layer
The middle layer
The rock layer forming on top of the surface of the Earth
The bottom layer
How many mass extinctions have occurred?
1
2
3
4
5
What isotopes does absolute age dating use?
Stable calm isotopes
It does not use isotopes
Radioactive/unstable isotopes
What is paleontology
The study of archaeology
The study of hydro elements
The study of fossils
The study of the Geologic Time Scale
Explore all questions with a free account