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Layers Of The Earth
Test Description: Composition of the Earth, convection currents, main layers
Instructions: Answer all questions to get your test result.
1) What layer of the Earth is the thickest?
A
inner core
B
lithosphere
C
mantle
D
outer core
2) What layer is composed of solid iron and nickel?
A
outer core
B
mantle
C
inner core
D
lithosphere
3) What layer is composed of granite?
A
continental crust
B
oceanic crust
C
mantle
D
lithosphere
4) Where are the convection currents found?
A
outer core
B
asthenosphere
C
mantle
D
lithosphere
5) What layer is composed of basalt?
A
lithosphere
B
mantle
C
oceanic crust
D
continental crust
6) What layer is composed of Mg, O, S, Fe, and Si?
A
lithosphere
B
mantle
C
outer core
D
inner core
7) Which layer is liquid iron and nickel?
A
mantle
B
outer core
C
inner core
D
lithosphere
8) In convection currents...
A
hot magma sinks while cooler magma rises.
B
hot magma rises while cooler magma sinks.
C
all of the magma rises.
D
the magma remains motionless.
9) Our tectonic plates move due to...
A
Earth's magnetic field.
B
Earth's gravity.
C
the rise and fall of the ocean's tides.
D
the motion of the convection currents.
10) What is Earth's thinnest layer?
A
outer core
B
mantle
C
lithosphere
D
inner core
*select an answer for all questions
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