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WorksheetsFossils/Geologic Time Scale
Total questions: 30
Worksheet time: 29mins
_____ shows the history of life as documented by fossils of the organisms from earlier geological periods preserved in sedimentary rock.
The GTS
The fossil news
The fossil record
The fossil list
The remains, impressions, or traces of organisms from the remote past are called -
petrification
fossils
paleon
animicules
Most scientists agree that fossils should be at least ___ years old.
100
1000
10,000
100,000
The study of fossils across geological time, how they are formed, and how ancient organisms have evolved is called -
fossilology
paleontology
geology
entemology
True or False: Most organisms turn into fossils when they die.
True
False
Most fossils form when living things die and are buried by _______________ that hardens into rock over time.
sediment
water
sap
tar
A ______________________ is a scientist who studies fossils.
biologist
chemist
paleontologist
astronomer
Which conditions might lead to fossil formation? (Choose 3)
Decomposition
Getting buried quickly by sediment
getting trapped in a tar pit
getting eaten by another animal
freezing in water
True or False: Fossils have been found all over Earth.
What type of fossil is the footprint pictured?
body
mold
cast
trace
Footprints, nests, trails, feces, and burrows are examples of __ fossils.
new
body
trace
activity
Bones, shells, teeth, leaf imprints are examples of __ fossils.
new
body
trace
activity
Which is NOT a body fossil?
Where are fossils usually found?
water
sedimentary rock
metamorphic rock
tar
The bug was fossilized when it was trapped in __ which turned into amber.
tar
ice water
sediment
tree sap
Fossils that provide evidence of the activities or behavior of ancient organisms
trace
body
cast
mold
Fossilized body parts or organisms
trace fossils
organelle fossils
organ fossils
body fossils
True or False: The first step of fossilization is that an animal must die.
True
False
Step 2 of fossilization is that the dead animal must be ___.
decomposed
frozen
buried
found by a paleontologist
Which step of fossilization is pictured?
Step 2
Step 3
Step 4
Step 5
In which period are we currently living?
Precambrian
Quaternary
Mesozoic
Cenozoic
Which era are we in right now?
Cenozoic
Mesozoic
Archean
Hadean
What is a record of Earth's geologic history as scientists have come to understand it by studying the layers of rock?
fossil record
geologic record
geologic time scale
fossil/geologic time scale
What is the correct order of divisions from largest to smallest?
epoch, period, era, eon
period, era, epoch, eon
era, eon, period, epoch
eon, era, period, epoch
The part of the GTS pictured shows the Mesozoic Era. Write true or false about the following statement:
First mammals occurred during the Triassic Period.
True
False
The part of the GTS pictured shows the Mesozoic Era. Write true or false about the following statement:
The Mesozoic Era began and ended with a mass extinction.
True
False
The part of the GTS pictured shows the Mesozoic Era. Write true or false about the following statement:
Flying reptiles were first found in the Jurassic Period.
True
False
Which epoch are we in right now?
Cenozoic
Quaternary
Phanerozoic
Holocene
If the Geologic Time Scale were placed on a clock, humans would arrive at __.
10:35
11:49
12 noon
11:59
What are the main three items that would be found on geologic time scale?
Geological events
Human history
Climatic events
Emergence and disappearance of organisms
Building civilization
