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7th Grade Earth Science Plate Tectonics Flashcards | StudBud
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7th Grade Earth Science Plate Tectonics
7th Grade Earth Science Plate Tectonics
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1
The movement of tectonic plates in two different locations is shown below: Which statement is most likely true?
An earthquake may occur in Location A and subduction occurs in Location B.
Seafloor spreading occurs in both locations.
Subduction occurs in A and a volcanic eruption may occur in B.
Subduction occurs in both locations.
2
Which of these describes a method in studying plate movements?
Observing absence of magnetic rocks in locations that don't match the poles
Correlate the rotation of Earth to plate movement
Match relief elements only on the western side of the Atlantic Ocean
Recording the spread of the seafloor in the mid-Atlantic region
3
Which layer is between the asthenosphere and the outer core?
Crust
Lithosphere
Mesosphere
Inner core
4
Which theory was revised to obtain the theory of plate tectonics?
Pangea Theory
Mid-Atlantic Ridge Theory
Continental Drift Theory
Seafloor Spreading Theory
5
Which layer is between the crust and the asthenosphere?
Outer core
Inner core
Mesosphere
Lithosphere
6
What is responsible for generating the Earth's magnetic field?
Crust
Inner Core
Outer Core
Mantle
7
The movement of tectonic plates in two different locations is shown below: Which statement is most likely true?
Subduction occurs in Location A
Subduction occurs in both locations
Seafloor spreading occurs in both locations
Subduction occurs in Location B
8
Which of these describes a method in studying plate movements?
Match the grooves along the coastlines of continents
Match relief elements on the same side of the Atlantic Ocean
Correlate the rotation of Earth to plate movement
Collect common fossil evidence within the Eurasian plate
9
The movement of tectonic plates in two different locations is shown below: Which statement is most likely true?
Subduction may occur in Location A
Earthquakes may occur in both locations.
A volcanic eruption may occur in Location B only
Subduction may occur in both locations
10
What type of volcano will most likely form when an eruption takes place with explosive force?
Cinder cone volcano
Shield volcano
Crater volcano
Composite volcano
11
The diagram below shows the layers of a rock having a trilobite. Which statement about the rock fossils is true?
Fossil A is younger than fossil C
Fossil B belongs to the same period as the trilobite
Fossil C belongs to the same period as the trilobite
Fossil B is older than fossil A.
12
Which of the following theories is supported by the discovery of magnetized rocks that do not match with Earth's poles?
Mid-Atlantic Ridge Theory
Pangea Theory
Theory of Plate Tectonics
Continental Drift Theory
13
Which of these is true about index fossils?
Are very scarcely found
Used as reference points in absolute dating
Used as guides in relative dating
Found in the youngest layer of the rock
14
What best describes index fossils?
Organisms that existed over a limited period
Fossils that are used in radioactive dating
Organisms whose age is hard to detect
Fossils of the most ancient organisms
15
Which layer is between the mesosphere and the inner core?
Asthenosphere
Crust
Lithosphere
Outer Core
16
Which theory is supported by scientists gathering the additional evidence of seafloor spreading and magnetism?
Pangea Theory
Mid-Atlantic Ridge Theory
Theory of Plate Tectonics
Continental Drift Theory
17
Which of these is a characteristic of index fossils?
Are limited to a particular geographic location
Have already established relative age
Found in the topmost rock layer
Found in many layers of the same rock
18
Which of the following provides evidence that supports the continental drift theory?
Seafloor spreading
Volcanic activity
Magnetized rocks that do not match with the poles
Fossils of the same organisms found in different continents
19
Which of these describes a method in studying plate movements?
Examine the age of a mountain structure on the African plate only
Match the rotation of Earth to plate movement
Match the size and shape of rocks on the north and south edges of Australia
Collect common fossil evidence from the South American and African plates
20
Which of the following provides evidence that supports the theory of plate tectonics
Seafloor spreading
Glacier movement
Matching fossils
Types and ages of rocks
