NEW
Font size
WorksheetsGeologic Timeline Quiz
Total questions: 10
Worksheet time: 5mins
Earth is _______ years old
3 billion
4.6 billion
4.6 million
567 million
Mammals were dominant in which era?
Paleozoic
Cenozoic
Mesozoic
Precambrian
Which is the longest time period in the geologic time scale
Period
Epoch
Era
Eon
What are the four eras in order from oldest to youngest?
Precambrian, Paleozoic, Mesozoic, Cenozoic
Precambrian, Mesozoic, Paleozoic, Cenozoic
Cenozoic, Mesozoic, Paleozoic, Precambrian
Mesozoic, Precambrian, Cenozoic, Paleozoic
What era are we currently in?
Mesozoic
Cenozoic
Paleozoic
Precambrian
What happened during the "Cambrian explosion"
An asteroid caused a mass extinction
Mammals began to dominate the Earth
This is when there was a major increase in the number and diversity of invertebrate species in a short period of time.
Which came first?
Trilobites are one of the dominant species on Earth
Amphibians leave the water
The age of reptiles
Early humans arise on Earth
Which Layer is the oldest?
A
X
G
Z
Which layer is the youngest?
Z
D
W
A
A fossil is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood, oil, coal, and DNA remnants. Select True.
True
False
