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Earth's Inner Structures
Test Description: Earth's Interior Review Check
Instructions: Answer all questions to get your test result.
1) What is Earth primarily composed of?
A
plasma
B
rock
C
gas
D
water
2) What two substances make up most of the inner core?
A
aluminum and magnesium
B
magma and lava
C
rock and water
D
iron and nickel
3) Why has the appearance of Earth's surface changed throughout geologic history?
A
because of the movement of continental and oceanic plates
B
because of the mantle's gravitational pull on the inner core
C
because Earth's structures undergo a rotation so that each layer gets a chance to be at the top
D
because of the inner core's magnetic field which is known to cause sudden changes
4) What unit of measurement is used to describe how plates move from year to year?
A
miles
B
centimeters
C
inches
D
kilometers
5) What causes the movement of Earth's plates?
A
Both convection in the mantle and the characteristics of the plates themselves
B
Only convection in the mantle
C
Only the characteristics of the plates themselves
D
Neither convection in the mantle nor the characteristics of the plates themselves
6) How do seismologist infer the structure and composition of Earth's inner layers?
A
They have sent drones to the center of the Earth and those drones have returned with useful information
B
They study how the water cycle influences the structure and composition of Earth's interor.
C
They study how wave energy travels through the different layers
D
They have designed drills that have enabled them to power their way to the center of the Earth
7) What is the basic component of soil?
A
liquid nitrogen
B
microorganisms
C
weathered rock
D
water
8) How do plate movements contribute to the start of the rock cycle?
A
They violently and forcefully cause the shaking of iron and nickel in the core
B
They form magma, the source of igneous rocks
C
They cause convection in the mantle
D
They start the process of transforming rocks into their liquid form
9) Which part of Earth's crust is covered by soil?
A
The lowest part of the oceanic crust
B
the upper most part of the oceanic crust
C
the lowest part of the continental crust
D
The upper most part of the continental crust
10) What human activities have had a negative impact on the pedosphere?
A
Neither pollution or carbon emissions
B
pollution
C
Carbon emissions
D
Both pollution and carbon emissions
11) Which factors of the environment are important for humans to monitor to ensure the good health of all individuals?
A
igneous and metamorphic rock in the asthenosphere
B
lava in the mantle
C
soil, air, and water
D
Iron and nickel in the inner core
12) How does the use of remote sensing technology contribute to the preservation and protection of Earth's environment
A
it has enabled humans to travel to Earth's core
B
It has allowed us to understand how to prevent natural disasters such as earthquakes and volcanoes
C
It has allowed us to observe living organisms in the mantle
D
It has allowed us to observe human impact on soil quality and erosion processes
*select an answer for all questions
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