what is the parent isotope

the original element before decay

Which statement is true based on the principle of superposition?

Fish & organisms with shells lived at the same time.

daughter isotope is ______

the product of the radioactive decay of the parent isotope

The relative dating of rocks can be used to

determine the age of rock in comparison to other rocks

The Law of Original Horizontality is based upon evidence that:

when formed, sediments settle horizontally

same element that contain equal # of protons but different # of neutrons

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Duplicate of 2021 Geologic Time Review

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Review of Geologic Time, Relative Dating and Absolute Dating

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Questions 19

Answers

1
A fault is an example of what kind of relationship?
Cross-cutting
uniformitarianism
correlation
catastrophism
2
the daughter isotope decays from the
parent isotope
brother isotope
mother isotope
father isotope
3
The igneous intrusions in the figure would be numbers
7, 8 and 9
4, 5 and 6
1, 2 and 3
there are no igneous intrusions
4
Superposition states that
the bottom layer of rocks is the oldest.
(All of these are true.)
fossils in layers beneath those in other layers are older.
the top layer of rocks is the newest.
5
what is the parent isotope
the original element before decay
the elements involved before and after
the product of the decay
the carbon amount in the life force
6
Which statement is true based on the principle of superposition?
The oldest layer of rock is layer C.
Fish & organisms with shells lived at the same time.
Fossils in layer A are older than fossils in layer B.
Fossils in layer B are older than fossils in layer C.
7
_is when a large percentage of organisms cease to exist, marking change in geologic time.
Armageddon
Extinction
Annilation
Speciation
8
daughter isotope is ______
any sediment deposited on a yearly cycle
the time it takes for the radioactive sample to decay
the original element before radioactive decay
the product of the radioactive decay of the parent isotope
9
The relative dating of rocks can be used to
determine the half-life of a rock
tell the rock's family history
determine the age of rock in comparison to other rocks
determine the exact age of a rock
10
Eons are divided into...
Mini Eons
Eras
Epochs
Periods
11
What are Eons, Eras and periods based on?
A Volcano
Animals
Only Fossils
Fossils & Major Events
12
Time it takes for a radioactive element for half of the elements to decay
Law of superposition
Half-life
Radioactive Decay
Radioactive life
13
The Law of Original Horizontality is based upon evidence that:
sediment forms consistently, everyday
igneous rocks become sedimentary rocks
when formed, sediments settle horizontally
sedimentary rocks form like big castles
14
The time period between the Pre -Cambrian and present time period; Paleozoic, Mesozoic and Cenozoic
Eras
Periods
Weeks
Unconformity
15
What is an Isotope?
same element that contain equal # of protons but different # of neutrons
something
two atoms that are exactly the same
an atom that has a full outer shell
16
Fossil that is widely distributed and and in existence for a relatively short period in geologic history.
Bones
Carbon film
Index fossil
Trace fossil
17
Elements that release particles of energy and they beak down or decay over time.
Sea Cave
Radioactive Decay
Atomic decay
Human decay
18
The geology time that includes 90% of all earth history.
Precambrian
Paleozoic
Hadrian
Mesozoic
19
The laws of superposition and original horizontality are best applied to
metamorphic rocks
all rock types
igneous rocks
sedimentary rocks

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