WorksheetsGeologic Time Scale
Total questions: 10
Worksheet time: 6mins
The geologic time scale is a record of....
the history of fossils only
the history of rocks
the history of rock layers and fossils
geologist notes
4.6 billion years
During this period Earth was flowing with lava, the core was unstable, and was the first Era of the Precambrian Eon.
Paleozoic
Hadean
Archean
Cenozoic
During what Period were Dinosaurs present?
Paleogene
Quaternary
Precambrian
Jurassic
Put the following units of geological time in order from largest to smallest unit of time.
Epoch, Eon, Era, Period
Epoch, Period, Era, Eon
Eon, Era, Period, Epoch
Period, Eon, Period, Era
A scientist who studies fossil remains in order to study primitive life forms.
Ecologist
Geologist
Zoologist
Palentologist
Fossils provide evidence of __________.
how life and the environment has remained stable over time
how the climate and weather has remained stable over time
how life and the environmental conditions have changed over time
how animals adapt to their changing environment.
What is the leading cause of mass extinctions of life on Earth?
Mass extinctions are most commonly caused by a dramatic change in some part of the earth system that affects key populations of organisms.
Mass extinctions are most commonly by the shock wave from the collision of a comet or meteoroid with the Earth.
Mass extinctions are most commonly by radiation poisoning from the Sun's solar winds.
Mass extinctions are most commonly by floods that cover all of the land masses on the planet.
What two methods are used to divide and classify the geological time scale?
Living organisms
rock strata or layers
DNA
fossils
