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WorksheetsGeologic Timescale
Total questions: 17
Worksheet time: 43mins
Name
Class
Date
1.
Modern humans (Homo sapiens) and dinosaurs never existed together on Earth.
a)
True
b)
False
2.
Which of the following places the geologic time eras in order from oldest to most recent?
a)
Precambrian, Paleozoic, Mesozoic, Cenozoic
b)
Mesozoic, Cenozoic, Paleozoic, Precambrian
c)
Cenozoic, Mesozoic, Paleozoic, Precambrian
d)
Paleozoic, Cenozoic, Precambrian, Mesozoic
3.
The ______________ era covers almost 90% of earth's history.
a)
Paleozoic
b)
Mesozoic
c)
Cenozoic
d)
Precambrian
4.
Scientists chose where units of geologic time began and ended based on major changes in life forms at certain times.
a)
True
b)
False
5.
__________ are the remains or traces of prehistoric life. They are important components of sediment and sedimentary rocks.
a)
Fossils
b)
Ambers
c)
Gymnosperms
d)
Ferns
6.
If a fossil appears in a rock layer and then disappears in the next, what is the most likely reason.
a)
The entire population of the organism was frozen in suspended animation and will appear again in a more recent rock layer.
b)
The species became extinct and will not appear again.
c)
The species became extinct but will be resurrected in Jurassic World.
d)
The entire species was abducted by aliens.
7.
Scientists chose where units of geologic time began and ended based on major changes in life forms at certain times.
a)
True
b)
False
8.
Pangaea refers to a...
a)
large supercontinent
b)
Greek superhero
c)
Tropical fern
d)
Mass extinction
9.
What type of rock do fossils form in?
a)
Igneous
b)
Sedimentary
c)
Metamorphic
d)
Classic
10.
Paleozoic, Mesozoic & Cenozoic are all
a)
Epochs
b)
Eras
c)
Periods
d)
Eons
11.
7. The ________helps us build a picture of the history/geologic time of Earth.
a)
Superposition
b)
Theory
c)
Fossil Record
12.
This provides information about the history of life on earth and how organisms lived and evolved over time.
a)
fossil data
b)
fossil evidence
c)
fossil record
d)
remains of fossil
13.
Fossils of ancient sea life have been found in Missouri. What does the presence of these fossils indicate about the past of Missouri?
a)
Millions of years ago, a giant tidal wave swept marine plants from the Gulf of Mexico onto the land.
b)
Millions of years ago, Missouri was beneath an ocean or sea.
c)
Millions of years ago, the Mississippi river flooded and deposited the marine plants onto land.
d)
Millions of years ago, tectonic plate movements carried sea fossils to present-day Missouri.
14.
We are currently living in which era?
a)
Mesozoic
b)
Cenozoic
c)
Paleozoic
d)
Jurassic
15.
The disappearance of a species.
a)
Evolution
b)
Extinction
c)
Migration
d)
Mutation
16.
What is the most popular theory for what caused the extinction of the dinosaurs?
a)
Too many cavemen shooting and killing the triceratops.
b)
Dinosaurs made poor choices and didn't make it.
c)
A massive asteroid smashed into Mexico and choked out the sun.
d)
All of the continents caved in and swallowed up all of the dinosaurs and burped up their bones.
17.
What most likely caused the formation of the Appalachian Mountains on the Eastern side of North America?
a)
Earthquakes in North America and Africa
b)
Volcanic eruptions in Africa
c)
A collision between North America and Africa
d)
The spreading apart of North America and Africa
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