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WorksheetsEarth Science General Assessment I
Total questions: 20
Worksheet time: 20mins
Convection Current occurs in Earth's Interior.
Which layer has convection current?
A.Crust
B.Mantle
C.Inner Core
D.Outer Core
Which statement describes the heat that results from the radioactive decay deep in Earth's interior?
A
B
C
D
Which of the following layers of Earth has the greatest density
Crust
Mantle
Inner Core
Outer Core
Which cross section best shows the inferred thickness of Earth's interior layers that cause these different velocities?
Map showing positions of volcanoes in the ìRing of Fireî in and around the Paci c OceanAccording to this map, which of the following describes where volcanoes are most likely to form in the Ring of Fire?
Volcanoes form where tectonic plates meet other plates.
Volcanoes form in the middle of a tectonic plate.
Earth scientists use theories and principles to help determine the relative age and formation of rocks and landforms.
Which one is the definition of superposition?
Younger sedimentary rock layers are generally found on top of older rock layers
Faults and igneous intrusions are younger than the rock they cut through.
An eroded surface that separates older rocks below from younger rocks above.
Earth scientists use theories and principles to help determine the relative age and formation of rocks and landforms.
Which one is the definition of cross-cutting?
Younger sedimentary rock layers are generally found on top of older rock layers
Faults and igneous intrusions are younger than the rock they cut through.
An eroded surface that separates older rocks below from younger rocks above.
Earth scientists use theories and principles to help determine the relative age and formation of rocks and landforms.
Which one is the definition of Unconformities?
Younger sedimentary rock layers are generally found on top of older rock layers
Faults and igneous intrusions are younger than the rock they cut through.
An eroded surface that separates older rocks below from younger rocks above.
How was the mountain shown above most likely formed?
A. Plates A and B are moving towards each other.
B. Plates A and B are moving apart from each other.
C. Plate A is moving away and Plate B is stationary.
D. Plate A is stationary and Plate B is moving away.
Scientists claim that the area around the Grand Canyon was once covered by an ocean. What evidence would support their claim?
Fossils of ocean animals were found at the Grand Canyon.
Fish were found living in the rivers of the Grand Canyon.
In the diagram shown above, which rock layer is probably the oldest?
A. layer 1
B. layer 2
C. layer 5
D. layer 6
The diagrams above show a particular cross-section of Earth going through different geological changes. What is the correct sequence of the diagrams?
A. W, X, Y, Z
B. X, Y, Z, W
C. Y, W, X, Z
D. X, Z, Y, W
Which conclusion correctly describes the youngest rock layer in the diagram?
Layer Z is the youngest because it was once molten rock that moved through all three layers of sedimentary rock.
Layer X is the youngest because it is the middle layer of sedimentary rock.
Which plate boundary feature is associated with the compressive forces shown in Figure 2?
high folded mountains where two plates are pushing toward each other
continental rift valley where one plate is splitting apart
What is causing the age differences among the islands?
A divergent boundary exists in the ocean floor.
An ocean plate is moving northwest across a hot spot.
On the Atlantic Ocean floor, there is a long ridge of underwater mountains caused by volcanic eruptions. New volcanoes keep erupting, and new mountains keep forming. Why is this happening?
Crustal plates are colliding.
The ocean floor is spreading.
Which model most accurately shows the movements (arrows) associated with the surface features shown in the diagram?
At which location would earthquakes be least likely to occur?
1
2
3
4
The granite layer in Section W is 480 million years old (480 m.y.). How can the relative age of the fossils in Section X be determined?
by comparing the location of the fossils in Section W to the location of the fossils in Section X
by measuring the thickness of the fossil layer in each section, because fossils in a thick layer are older than fossils in a thin layer
What will most likely happen if this movement continues for many million years?
A. Volcanoes will form and erupt at the plate boundary.
B. The Mediterranean Sea will shrink and mountains will form.
