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H
Hot material near Earth’s surface is more dense and sinks, and when it cools, it becomes less dense and rises.H
Hot material near the core is more dense and rises, and when it cools, it becomes less dense and sinks.H
Hot material near Earth’s surface is less dense and sinks, and when it cools, it becomes more dense and rises.H
Hot material near the core is less dense and rises, and when it cools, it becomes more dense and sinks.2
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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 km3
most likely
T
The sample has high iron content.T
The sample is very hot and liquefied.T
The sample mainly consists of granite.T
The sample is very young.4
Study the graph about seismic waves.What does the graph show?
T
The S and P waves travel the same distance through Earth’s crust in the same amount of time.T
The P wave travels through Earth’s crust more quickly than the S wave travels.I
It takes the P wave 18 minutes to travel 6,000 km through Earth’s crust.I
It takes the S wave 11 minutes to travel 8,000 km through Earth’s crust.5
Study the diagram showing the range of temperature in the Earth’s layers.
A
The outer core is the hottest region.B
The mantle is hotter than the outer core.C
The continental crust is the coolest region.D
The inner core is cooler than the lithosphere.6
Which layer of Earth experiences the least amount of pressure?
c
crustm
mantleo
outer corei
inner core7
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.8
Why is Earth's outer core hotter than Earth’s oceanic crust?
E
Earth’s oceanic crust is denser than Earth’s outer core is.E
Earth’s oceanic crust has lava flowing from the mantle.E
Earth’s outer core has a composition of solid iron and nickel.E
Earth’s outer core is deeper within Earth than oceanic crust is.9
Which object can an S wave travel through?
a
airm
magmas
soilw
water10
Study the image of Earth’s layers.
E
Earth’s mantle is thinner than its oceanic crust.E
Earth’s outer core is thicker than its mantle.E
Earth’s continental crust is thicker than its lithosphere.E
Earth’s lithosphere is thinner than its asthenosphere.Did you find these answers helpful?
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