Which is the best example of an index fossil?

coral found in rock layers worldwide

What is the most likely reason that scientists would want to analyze air trapped in ice?

to learn about past atmospheric conditions

Why do scientist study fossils?

determine types of animals plants and other life in the past

Why are index fossils good clues for identifying when rocks were formed?

They only existed for a specific period in time.

Rocks closest to the mid-ocean ridges are

younger than the rocks found farther away from the ridge

What role do faults play in the Law of Superposition?

faults are younger than the rock they cut across

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EARTH SCIENCE TEST REVIEW 2015

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Earth Science Questions

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Questions 20

Answers

1
Absolute dating: The original amount of radioactive elemental isotope is called
son isotope
daughter isotope
rare earth isotope
parent isotope
2
Which is oldest?
Z
S
T
U
3
Which younger?
V
T
Z
U
4
What method of radioactive dating would be most useful in determining the age of human fossils?
uranium -lead
carbon-14
rubidium-strontium
potassium-argon
5
Absolute dating: What is the term used for the decay isotope in the fossil or rock?
daughter isotope
son isotope
parent isotope
rare earth isotope
6
Which provides the best evidence of Earth's changing climate?
sediment in river basins
volcanic rock
ice cores
metamorphic rock
7
Which piece of evidence best supported Alfred Wegener's Theory of Continental Drift?
Mesosaurus
Glacial striations in South America
Glossopteris
rock layers in Appalachian Mtns.
8
Which is the best example of an index fossil?
cast of feathers found in rock areas in a specific area
foot prints of different dinos all over world
coral found in rock layers worldwide
dinosaur bone in Australia
9
What is the most likely reason that scientists would want to analyze air trapped in ice?
to learn how many gas bubbles are present
to learn about how cold the polar regions are
to learn about past atmospheric conditions
to study how much oxygen was in the ice
10
What natural occurence is the direct result of plate movement around all types of boundaries?
Earthquakes
Hurricanes
Mid-ocean ridges
Volcanoes
11
Relative dating of rock layers uses ____ to determine the age of rocks?
The Law of Conservation of Mass
The Law of Conservation of Energy
Newton's Third Law of Motion
The Law of Superposition
12
Which describes the idea that changes on earth occured suddenly?
Newton's Third Law of Motion
uniformitarianism
catastrophism
Law of Superposition
13
Which describes the theory that changes occuring on earth today are the same ones of the past?
catastrophism
Radiometric dating
Law of Superposition
uniformitarianism
14
Why do scientist study fossils?
Determine the type of rocks organisms used in their habitat
determine how organisms died in the past
determine how precipitation occurred in the past
determine types of animals plants and other life in the past
15
Which is younger?
fish
bone
ferm
shell
16
Why are index fossils good clues for identifying when rocks were formed?
They only existed for a specific period in time.
They are difficult to form in rocks.
They existed for numerous periods of time.
They are easy to form in rocks.
17
Rocks closest to the mid-ocean ridges are
older than the rocks found farther away from the ridge.
younger than the rocks found farther away from the ridge
the same age as the rocks found farther away.
not as hardened as rocks farther away from the ridge.
18
What role do faults play in the Law of Superposition?
faults are older than the rock they cut across
faults are younger than the rock they cut across
faults are the same age as the rock they cut across
faults create new rock
19
Seafloor spreading occurs on which tectonic boundary?
divergent
dip-slip - transform fault
convergent-collision
convergent - subduction
20
Most fossils are found in
metamorphic rock
igneous rock
sedimentary rock

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