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Worksheetsgeologic time
Total questions: 23
Worksheet time: 6hrs 45mins
Mammals are a dominant group in which era?
Cenozoic
Mesozoic
Paleozoic
Cambrianozoic
What type of event usually marks the end of an Era
A Mass Extinction
A Quinceanera
An earthquake
A Volcanic Eruption
What are the four eras in order from OLDEST to NEWEST?
Pre-Cambrian, Paleozoic, Mesozoic, Cenozoic
Pre-Cambrian, Mesozoic, Paleozoic, Cenozoic
Cenozoic, Mesozoic, Paleozoic, Pre-Cambrian
Mesozoic, Pre-Cambrian, Cenozoic, Paleozoic
The dinosaurs and reptiles were dominant in which Era?
Precambrian
Mesozoic
Paleozoic
Cenozoic
Which Era was mainly dominated by dinosaurs?
Cenozoic
Jurassic
Mesozoic
Paleozoic
Which Era has the most complex organisms?
Cenozoic
Mesozoic
Paleozoic
Quaternary
Which period is closest to present day?
Cambrian
Devonian
Triassic
Tertiary
What type of environment do you think was present during the Devonian Period?
mostly land
land with some water
mostly water
water with some land
Which organisms are the most recent (closest to present day)?
primitive reptiles
giant insects
primitive horses
brachiopods
What information might scientists learn when
studying Earth's geological history?
Scientists study rock layers to learn how the earth and the life on it change over time.
Scientists who study geologic history learn about our solar system.
If you were to create a model of fossil layers,
what would you want to include
to make your model accurate?
The model would show the oldest layer on the top and the youngest layer on the bottom.
The model would show many rock layers with different fossils in each layer.
Earth has a 4.6 _ ________ year history.
Billion
Bottom
Relative
Rock Strata
An Earthquake happened there.
A Volcano erupted there.
A forest covered that area for a while.
A large body of water once covered the area.
Which of the following questions can be answered by studying these fossil layers?
What did the fish eat?
Which organisms lived before/after/or at the same time?
Why did dinosaurs become extinct?
Are reptiles the ancestors to birds or fish?
F
E
B
A
