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WorksheetsFossils & Geologic History
Total questions: 31
Worksheet time: 16mins
Which of the following most likely results in the formation of a fossil?
A clam is eaten by a large predatory fish.
A clam is washed up onto the beach.
A clam lies exposed on the surface of the sea floor.
A clam is buried by a mudslide.
From the diagram, which statement about crinoids, echinoids and blastoids is correct?
They all existed in the Devonian Period.
All have decreased in number over time.
They came into existence during the same geologic period.
All are now extinct.
Identify the geologic time in which humans appeared
Cenozoic Era
Mesozoic Era
Paleozoic Era
Precambrian Time
Phanerozoic Eon
Identify the geologic time which was the age of the dinosaurs
Cenozoic Era
Mesozoic Era
Paleozoic Era
Precambrian Time
Phanerozoic Eon
Identify the geologic time which was mostly ocean life
Cenozoic Era
Mesozoic Era
Paleozoic Era
Precambrian Time
Phanerozoic Eon
Identify the geologic time was first life
Cenozoic Era
Mesozoic Era
Paleozoic Era
Precambrian Time
Phanerozoic Eon
What was the major event that separated Precambrian Time from the Phanerozoic
Extinction of dinosaurs and many other species
Extenction of trilobites and mony other marine animals
The transition from one-celled organisms to multi-celled organisms
First birds
First fish
What marked the end of the Paleozoic and the start of the Mesozoic
Extinction of dinosaurs and many other species
Extenction of trilobites and mony other marine animals
The transition from one-celled organisms to multi-celled organisms
First birds
First fish
What marked the end of the Mesozoic and the start of the Cenozoic
Extinction of dinosaurs and many other species
Extenction of trilobites and mony other marine animals
The transition from one-celled organisms to multi-celled organisms
First birds
First fish
First Fish
Ordovician
Jurassic
Pennsylvanian
Quaternary
Devonian
First Birds
Ordovician
Jurassic
Pennsylvanian
Quaternary
Devonian
Humans Develop
Ordovician
Jurassic
Pennsylvanian
Quaternary
Devonian
First Reptiles
Ordovician
Jurassic
Pennsylvanian
Quaternary
Devonian
First Insect Fossils
Ordovician
Jurassic
Pennsylvanian
Quaternary
Devonian
Fossils of fish in the mountains of Virginia indicate
ancient glacial advance
movement of fossils by tourists
ancient sandstorms
ancient marine environments
Which layer is the oldest
w
x
y
Virginia has fossil evidence all over the state dating back 500 million years, most of which are marine type fossils.
Select all of the statements that are true.
There were never any parts of Virginia that were covered by water for long periods of time.
The most common type of fossils found in Virginia are that of seashells.
Large areas of Virginia were once covered by water for long periods of time.
The most common type of fossil found in Virginia are of dinosaurs that lived on land.
Virginia was once covered by massive volcanoes.
Fossil remains of previous life forms can be preserved in all of the following EXCEPT
lava pits
tar sands
ice
sedimentary rocks
Which of the following is most likely to indicate the type of environment that an animal fossilized in a rocks most likely lived in?
The thickness of the rock
The type of fossils found in the rock
Number of other fossils found in the rock
The color of the rock with the fossils in it
Fossils are not found as
casts
living organisms
preserved remains
molds
The Scientific Law that tells us the oldest rock layers will be on the lowest level of sedimentary formations is called
Cross Cutting Relationships
Uniformitarianism
Superposition
Gravity
The Scientific Law that tells us any feature that cuts across a body of sediment or rock is younger than the body of sediment or rock that it cuts across
Cross Cutting Relationships
Uniformitarianism
Superposition
Gravity
The half-life of this sample is
5,700 years
11,400 years
17,100 years
25,00 years
If a sample has been dated to be 11,400 years old how many half-life has Carbon-14 gone through?
1
2
3
4
The oldest rock layer is
A
B
C
D
E
The youngest rock layer is
A
B
C
D
E
What is the correct sequence old to young -
A, D, E, B, C
B, E, D, A, C
C, B, A, E, D
D, A, E, B, C
E, D, A, B, C
According to scientists, what did the first life on Earth most
likely resemble?
Ancient bony armored fish.
Single celled organisms that most likely resembled algae.
Modern day plants with flowers like daises.
Early dinosaurs, like the Spondylosoma.
What is oldest M or D
M
D
What is oldest C or A
C
A
What is oldest E or H
E
H
