WorksheetsGeologic Time Scale Review Game
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is the name of a scientist that studies the Earth?
a)
Geologist
b)
Biologist
c)
Chemist
2.
Animals with backbones are called invertebrates
a)
True
b)
False
3.
Fossils are almost always found in sedimentary rock.
a)
True
b)
False
4.
The Mesozoic Era is often called the
a)
The Age of the Mammals
b)
Age of the Fish
c)
Age of the Reptiles
5.
Most fossils form when organisms die and are buried in
a)
sediments
b)
faults
c)
ice
6.
In the Cambrian Explosion
a)
an asteroid collided with Earth
b)
mammals spread into every environment on Earth
c)
a great number of different organisms evolved
d)
a great number of different organisms evolved
7.
Fossils provide evidence for all of the following except for
a)
changes in the Earth's surface
changes in Earth's surface
changes in Earth's surface
b)
how groups of organisms have changed over time
c)
how Earth originally formed
8.
On the geologic time scale, eras are divide into
a)
periods
b)
ages
c)
indexes
9.
The earliest forms of life appeared during
a)
Precambrian Time
b)
Paleozoic Era
c)
Cenozoic Era
10.
A petrified fossil forms when
a)
am organism is frozen
b)
minerals replace all or part of an organism
c)
gases escape from the organism and leave carbon behind
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