WorksheetsGeologic Timescale Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Evolution occurs quickly (over short periods of time).
a)
True
b)
False
2.
Modern humans (Homo sapiens) and dinosaurs never existed together on Earth.
a)
True
b)
False
3.
How old do Paleontologists believe the Earth is?
a)
2015 years old
b)
3.6 billion years old
c)
4.6 billion years old
d)
4.6 million years old
4.
When did life on Earth begin?
a)
4.6 to 4.0 billion years ago
b)
3.9 to 3.5 billion years ago
c)
4.6 to 4.0 million years ago
d)
3.9 to 3.5 thousand years ago
5.
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
6.
During which two periods did MASS extinctions occur?
a)
Archaean & Cambrian
b)
Cambrian & Mississippian
c)
Pennsylvanian & Permian
d)
Permian & Cretaceous
7.
The ______________ era covers almost 90% of earth's history.
a)
Paleozoic
b)
Mesozoic
c)
Cenozoic
d)
Precambrian
8.
Flora is __________ and fauna is ________.
a)
Plants; Animals
b)
Animals; Plants
c)
Prokaryotes; Eukaryotes
d)
Water dwellers; Land dwellers
9.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
10.
a)
1
b)
2
c)
3
d)
5
11.
Which of the following statements is true about water?
a)
When earth was just formed there was not water
b)
When earth just formed differentiation pushed lakes to the surface
c)
Water was spewed out of the early volcanoes
d)
Water came from Tatooine delievered by Chewbacca and Han Solo
12.
Living on earth when it was just formed would be like...
a)
Conditions similar to the north pole
b)
Conditions similar to living in volcano
c)
Conditions similar to living in the rainforest
d)
Conditions similar to living in the desert
13.
Most events on the geologic timeline happened: (think about where events were most crowded together on our timeline)
a)
a long time ago, near the beginning
b)
more recently, near the modern time
c)
evenly spread out
d)
right in the center of the timeline
14.
Which of the following questions can be answered by studying these fossil layers?
a)
What did the fish eat?
b)
Which organisms lived before/after/or at the same time?
c)
Why did dinosaurs become extinct?
d)
Are reptiles the ancestors to birds or fish?
15.
Scientists chose where units of geologic time began and ended based on major changes in life forms at certain times.
a)
True
b)
False
16.
Relative age of a rock is the number of years that have passed since the rock formed?
a)
True
b)
False
17.
Radiometric dating is often referred to as
a)
total age.
b)
absolute dating.
c)
historic age.
d)
geologic age.
18.
Why is the fossil record incomplete?
a)
fossils get eroded away over time
b)
most organisms never became fossils
c)
scavengers and decomposers eat them too quickly
d)
all of these
19.
The Geologic Time Scale is a record of what?
a)
old geologists
b)
sweet geology music
c)
the known history of rocks and fossils
d)
a list of every living thing ever
20.
What can scientists learn from the sequence of rock layers?
a)
Geologic history of that area
b)
Future geological events
c)
The number of organisms that live in the area
d)
The impact that hikers have had on an area.
100 %
