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Earth's Structure Quiz
Test Description: Brainpop
Instructions: Answer all questions to get your test result.
1) What are the earth's three main layers?
A
Core, mantle, and surface
B
Inner core, outer core, and mantle
C
Core, mantle, and crust
D
Upper mantle, lower mantle, and crust
2) What do earthquake waves have in common with other waves?
A
They have the same wavelength as radio waves.
B
They carry the same amount of energy as sound waves.
C
They travel at the same speed as light waves.
D
They bend when they travel through different materials.
3) Where is earth's crust the thickest?
A
The surface
B
The core
C
The mantle
D
The crust
4) Which word best characterizes the lower mantle?
A
Scalding
B
Molten
C
Cool
D
Lukewarm
5) How deep would you have to drill to reach the center of the earth?
A
About 600 kilometers
B
About 6,000 kilometers
C
About 600,000 kilometers
D
About 60,000 kilometers
6) What effect does the spinning of the the earth's core have?
A
It creates mass
B
It creates gravity
C
It creates the earth's magnetic field
D
It creates matter
7) Which of the following statements about the Earth's inner core is true?
A
It's mostly made of nickel
B
It's mostly made of iron
C
It's mostly made of magnesium
D
It's mostly made of cadmium
8) What is the only entirely liquid layer of the earth?
A
The outer core
B
The lower mantle
C
The inner core
D
The upper mantle
9) Which of the following statements is an opinion about the mantle?
A
It contains iron, silicon, magnesium, and oxygen
B
Heat churns through it
C
It is the most important layer of the earth
D
It makes up the bulk of the earth's mass
10) If the earth's mantle were completely solid, ???? plates could not move around.
A
Technical
B
Tectonic
C
Agnostic
D
Titanic
*select an answer for all questions
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