WorksheetsEarth History Unit Review
Total questions: 28
Worksheet time: 14mins
Name
Class
Date
1.
What is the term used for the original amount of elemental isotopes being investigated during radioactive dating?
a)
Parent Isoptopes
b)
Daughter Isotopes
c)
Son Isoptopes
d)
Rare Earth Isotopes
2.
Igneous intrusions are always _______ than the rock they cut through.
a)
Older
b)
The same age
c)
Younger
3.
Which term best explains the following:
The boundary where the Earth's crustal plates move - sometimes disrupting rock layers.
The boundary where the Earth's crustal plates move - sometimes disrupting rock layers.
a)
Erosion
b)
Unconformities
c)
Faults
d)
Volcanoes
4.
Which is a process that allows scientists to compare rock layers with others in a sequence to determine their age?
a)
Absolute Dating
b)
Relative Dating
c)
Radiometric Dating
5.
If a sedimentary rock contains an intrusion of igneous rock, which rock is the oldest?
a)
The igneous rock is the oldest.
b)
The sedimentary rock is the oldest.
c)
The rocks are the same age.
6.
Which element is used to study the age of igneous and metamorphic rocks?
a)
Carbon
b)
Uranium
c)
Krypton
7.
_____________ = Exact Age
a)
Radioactive Dating
b)
Relative Dating
8.
_______________ = Estimated Age
a)
Radioactive Dating
b)
Relative Dating
9.
Law of superposition states: ____.
a)
The bottom layer has the oldest fossils.
b)
The top layer is the oldest.
c)
All rock layers are the same age.
10.
In order for the law of superposition to apply, all rock layers must remain _________.
a)
with fault lines.
b)
fossilized.
c)
undisturbed.
11.
While viewing a geologic column of rock layers, some fossils become nonexistent as you move into younger rock. Which best explains this?
a)
Mass Extinction
b)
Unconformity
c)
Faults
12.
Trace Fossils =
a)
Cavity
b)
Filled-In
c)
Footprints, trails, burrows
d)
Carbon Imprint
13.
Mold Fossils =
a)
Cavity
b)
Filled In
c)
Prevented from decaying
d)
Turned into rock
14.
Cast Fossils =
a)
Prevented from decay
b)
Filled in
c)
Footprints, trails, burrows
d)
Turned into rock
15.
Petrified/Permineralized Fossils =
a)
Filled in
b)
Cavity
c)
Carbon Imprint
d)
Turned into rock
16.
Carbonized Fossils =
a)
Cavity
b)
Carbon Imprint
c)
Footprints, trails, burrows
d)
Prevented from decay
17.
Preserved Fossils =
a)
Prevented from decay
b)
Cavity
c)
Turned into rock
d)
Filled in
18.
Which of the following has the least affect on rock layers and fossils?
a)
Air/Storms
b)
Crustal Plates
c)
Erosion
19.
Index fossils are all of the following except:
a)
Helpful for relative age
b)
Short-lived
c)
Widespread
d)
Vary rare
20.
Which era is signified by the event of: Formation of Earth.
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
21.
Which era is signified by the event of: Human Evolution.
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
22.
Which era is signified by the event of: Plants became widespread.
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
23.
Which era is signified by the event of: Dinosaurs and reptiles were dominant.
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
24.
All of the following are used in absolute age except:
a)
Radioactive Dating
b)
Carbon
c)
Uranium
d)
Position of rock layers
25.
All of the following are used in relative age except:
a)
Position of rock layers
b)
Index Fossils
c)
Uranium
26.
Ice cores are related with all of the following except:
a)
Carbon Dioxide
b)
Oxygen
c)
Atmosphere/Climate
d)
Fossils
27.
Faults are all of the following except:
a)
Younger than the rock they cut through.
b)
Parallel rock layers that are slanted at an angle.
c)
Fractures in rock formations.
d)
Created by sedimentary rock.
28.
Formed by cooling and hardening of molten rocks from inside the Earth:
a)
Sedimentary Rocks
b)
Igneous Rocks
c)
Metamorphic Rocks
100 %
