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Earth's History & Geologic Time Review

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.
How much area does our solar system take up out of the universe?
a)
It takes up most of the universe
b)
It takes up a really tiny area
c)
It grows and shrinks so it varies
d)
It takes up a very large area 
2.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
3.
Which division on the geologic time scale is the shortest?
a)
epoch
b)
era
c)
eon
d)
period
4.
If an index fossil is found in two rock layers that are separated by an ocean, what do you know about the relationship between the two rock layers?
a)
they are about the same age
b)
they used to be in the same area
c)
the are made of the same kind of rock
d)
the rock layers are unrelated
5.
Which type of dating method can be used on rock layers by applying the Law of Superposition?
a)
relative dating
b)
absolute dating
c)
radioactive dating
d)
radiometric dating
6.
a)
1
b)
2
c)
3
d)
5
7.
Starting from the furthest away from us, which is the correct galactic address for our solar system?
a)
Virgo Supercluster: Local group: Milky Way
b)
Virgo Supercluster: Milky Way: Local Group
c)
Local Group: Milky Way: Virgo Supercluster
d)
Virgo Supercluster: Local Group: Andromeda
8.
Describe the movement of our solar system.
a)
It stays in one place but the planets rotate
b)
It stays in one place 
c)
The entire solar system orbits the center of the milky way 
d)
The solar system is moving out of the milky way 
9.
Which of the following members of the solar system is the oldest?
a)
The moon
b)
The earth 
c)
The sun
d)
Pluto 
10.
Which nebula "birthed" our solar system?
a)
The ant nebula
b)
The pillars of creation
c)
The cat-eye nebula 
d)
The solar nebula
11.
Our solar system was formed when...
a)
Two massive stars collided
b)
A black hole destroyed a nearby solar system 
c)
A nebula collapsed 
d)
Yoda said "The Solar System it will be"
12.
Which process is being shown?
a)
Decay
b)
Differentiation 
c)
Accretion
d)
Supernova explosion
13.
What process is being demonstrated here?
a)
Accretion
b)
Decay
c)
Unconformities
d)
Differentiation
14.
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
15.
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
16.
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
17.
Most events on the geologic timeline happened:
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
18.
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?
19.
When scientists use logic to determine the age of one fossil compared to another, they use this type of dating.
a)
Relative
b)
Carbon
c)
Absolute
20.
Scientists chose where units of geologic time began and ended based on major changes in life forms at certain times.
a)
true
b)
false
21.
Relative age of a rock is the number of years that have passed since the rock formed?            
a)
true
b)
false
22.
Radiometric dating is often referred to as 
a)
total age.
b)
absolute dating.
c)
historic age.
d)
geologic age.
23.
gaps in rock layers caused by erosion are called
a)
law of superposition
b)
unconformities
c)
uniformitarianism
d)
relative dating
24.
the time it takes for half the atoms in an element to decay into something else is called
a)
absolute age dating
b)
relative age dating
c)
half-life
d)
extinct
25.
The ________ states that layers of sediment were originally deposited horizontally under the action of gravity.
a)
law of superposition
b)
law of horizontality 
c)
uniformitarianism 
d)
unconformities
26.
states that the geologic feature which cuts another is the younger of the two features
a)
law of horizontality
b)
cross cutting relationships
c)
law of superposition
d)
uniformitarianism
27.
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 the above
28.
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
29.
What 2 things make a good index fossil?
a)
Good looks and a great smile
b)
widespread and on Earth of a short time
c)
widespread and on Earth for a long time
d)
only found in Clinton Twp and in every rock layer
30.
Which is the correct order of geologic time?
a)
Era >Eon >Period >Epoch
b)
Eon >Era >Period >Epoch
c)
Epoch >Period >Era >Eon
d)
Era >Eon > Epoch >Period
31.
Paleozoic, Mesozoic & Cenozoic are all
a)
Epochs
b)
Eras
c)
Periods
d)
Eons
32.
What was probably the first organism on Earth?
a)
Plants
b)
Alligators
c)
Bacteria
d)
Fish
33.
The ______________ era covers almost 90% of earth's history.
a)
Paleozoic 
b)
Mesozoic 
c)
Cenozoic
d)
Precambrian 
34.
Which is the most recent era of time- the one that we are currently in?
a)
Mesozoic 
b)
Paleozoic 
c)
Cenozoic 
d)
Precambrian 
35.
What are the arrows pointing to?
a)
A layer of crushed mammals
b)
TK boundary
c)
KT boundary
d)
A layer of dinosaurs
36.
What is the importance of finding high amounts of iridium in the KT boundary?
a)
High amounts of iridium are toxic to dinosaurs
b)
High amounts of iridium are only found in the mountains
c)
The iridium doesn't tell us anything
d)
High amounts of iridium are only found in space rocks
37.
An index fossil can help you 
a)
get to know new people 
b)
plan your next vacation 
c)
determine the relative age of a rock layer
d)
determine the absolute age of a rock layer 
38.
a break in the Earths crust 
a)
fault 
b)
intrusion 
c)
extrusion 
d)
index fossil 
39.
Which of the following is the youngest?
a)
Intrusion X
b)
Fault Y
c)
Layer Z
d)
Fossil W
40.
Which of the following is the oldest?
a)
Layer L
b)
Intrusion D
c)
Intrusion H
d)
Layer E