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Inside The Earth
Test Description: Reviewing the interior of the Earth
Instructions: Answer all questions to get your test result.
1) The cause of plate movement on the Earth's surface are caused by convection currents that occur where?
A
The Inner Core
B
The Lithosphere
C
The Mantle
D
The Core
2) Which of the following Earth layers has the greatest density?
A
Inner Core
B
Mantle
C
Crust
D
Outer Core
3) Which layer of Earth's interior is made up of primarily solid iron?
A
Inner Core
B
Outer Core
C
Crust
D
Mantle
4) Which causes the movement of tectonic plates?
A
Energy produced by earthquakes within the Earth
B
Convection occurring beneath the Earth's crust
C
Rotation of liquid rock found within the core
D
Gravitational pull between Earth and the moon
5) What happens to density as temperature increases?
A
Density decreases
B
Density also increases
C
Density stays the same
D
Density increases slowly then sharply decreases
6) No one has been able to drill deeper than a few miles into Earth's crust. So how do scientists know what is below the crust?
A
They use seismic waves produced by earthquakes
B
They use fossils to show what the Earth used to look like
C
They use reverse telescopes to see deep down
D
They use large drills to drill deep into the Earth's mantle
7) P waves can travel through...
A
Only liquids
B
Only gasses
C
Solids and liquids
D
Only solids
8) S waves travel through
A
Solids and Liquids
B
Only gasses
C
Only liquids
D
Only solids
9) Which seismic waves can travel through the Earth's core?
A
Nothing can travel through the Earth's core
B
Both P and S waves
C
P waves
D
S waves
10) Which seismic waves can travel through the earth's mantle?
A
Both P and S waves
B
Only S waves
C
Only P waves
D
Nothing can travel through the Earth's core
11) According to the wave speeds shown below, which layer is the densest?
A
Layer D-10km/s
B
Layer A- 12km/s
C
Layer C-8 km/s
D
Layer B-4 km/s
12) How do scientists classify the different layers of the Earth?
A
Chemical composition only
B
Physical properties only
C
Depth and thickness
D
Physical properties and chemical composition
*select an answer for all questions
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