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Layers Of The Earth Review
Test Description: Use this to review the Layers of the Earth Unit before the final exam
Instructions: Answer all questions to get your test result.
1) Starting with the layer humans live on, name the layers of Earth in order.
A
Crust, mantle, outer core, inner core
B
Inner core, outer core, mantle, crust
C
Mantle, Crust, outer core, inner core
D
Crust, inner core, outer core, mantle
2) What is the only liquid layer of the Earth?
A
Inner core
B
Mantle
C
Outer Core
D
Crust
3) The inner and outer cores are made up of ______________.
A
Nickel and Magma
B
Iron and Nickel
C
Iron and Magma
D
Basalt and Granite
4) What happens to the temperature and pressure of Earth the further down you travel into the center of the Earth?
A
Temperature and pressure both decrease
B
Temperature decreases, pressure increases
C
Temperature increases, pressure decreases
D
Temperature and pressure both increase
5) Why is the inner core solid?
A
none of the answers are correct
B
It is cold
C
It experiences extreme pressure pushing on it
D
It is made of iron and nickle
6) A compass can be used to help determine direction for navigation. Which of the following explains why a compass works?
A
The compass needle lines up with Earth’s rotational axis
B
The compass needle lines up with Earth’s orbital position.
C
The compass needle lines up with Earth’s magnetic field.
D
The compass needle lines up with Earth’s gravitational field.
7) Why is the Earth's magnetic field important?
A
It makes compasses work and protects life from the sun's radiation.
B
It makes the Earth spin.
C
It causes the convection currents to move.
D
It controls the movement of the tectonic plates.
8) The layers of the Earth can be divided into compositional layers and mechanical layers. What is the definition of compositional layers and mechanical layers?
A
Compositional = what it is made of, Mechanical = physical characteristics
B
Compositional = thickness, Mechanical = density
C
Mechanical = thickness, Compositional = density
D
Mechanical = what it is made of, Compositional = physical characteristics
9) Which mechanical layer of Earth contains the tectonic plates?
A
Mantle
B
Lithosphere
C
Asthenosphere
D
Outer core
10) Which compositional layer has the most mass?
A
Crust
B
Outer core
C
Inner Core
D
Mantle
*select an answer for all questions
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