Earth's Interior Answers
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1
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Study the diagram about the varying pressures of Earth’s Layers.
A
outer coreB
inner coreC
lithosphereD
oceanic crust2
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Why is Earth's outer core hotter than Earth’s oceanic crust?
A
Earth’s oceanic crust is denser than Earth’s outer core is.B
Earth’s oceanic crust has lava flowing from the mantle.C
Earth’s outer core has a composition of solid iron and nickel.D
Earth’s outer core is deeper within Earth than oceanic crust is.3
Study the graph about seismic waves.What does the graph show?
A
The S and P waves travel the same distance through Earth’s crust in the same amount of time.B
The P wave travels through Earth’s crust more quickly than the S wave travels.C
It takes the P wave 18 minutes to travel 6,000 km through Earth’s crust.D
It takes the S wave 11 minutes to travel 8,000 km through Earth’s crust.4
Which object can an S wave travel through?
A
airB
magmaC
soilD
water5
Study the images of Earth’s crust and mantle in two different areas.How is Item A different from Item B?
A
The crust under the ocean in Item A is thicker than the crust under the mountain in Item B.B
The mantle under the ocean in Item A is thinner than the mantle under the mountain in Item B.C
The crust in Item A is found partially below sea level as compared to the crust in Item B.D
The mantle in Item A is located far below a mountain as compared to the mantle in Item B.6
Which statement describes a characteristic of the asthenosphere?
A
Temperatures are cool.B
Consistency is solid.C
Thickness is less than crust.D
Pressure is higher than crust.7
Which statement describes how the mantle is similar to Earth’s oceanic crust?
A
It is composed mostly of basalt.B
It consists primarily of molten rock.C
It has varying degrees of thickness.D
It is divided into two layers.8
Study the image of a seismic graph.About how far does the S wave travel through Earth in 13 minutes?
A
2,000 kmB
4,000 kmC
6,000 kmD
8,000 km9
Study the image of Earth’s layers.
A
Earth’s mantle is thinner than its oceanic crust.B
Earth’s outer core is thicker than its mantle.C
Earth’s continental crust is thicker than its lithosphere.D
Earth’s lithosphere is thinner than its asthenosphere.10
Study the table about Earth’s interior.Which conclusion is supported by information in the table?
A
The mantle is thinner than the crust.B
The core is the thickest of Earth’s layers.C
The inner core is thicker than the outer core.D
The mantle is the thinnest of Earth’s layers.Did you find these answers helpful?
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