Interior Of The Earth
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Covers the Earth' s layers
- 1.
- A.
Crust, mantle, outer core, inner core
- B.
Mantle, crust, outer core, inner core
- C.
Inner core, outer core, mantle, crust
- D.
Continental cruse, oceanic crust, mantle, core
- 2.A compound is:
- A.
Two or more rocks
- B.
Two or more elements
- C.
Two or more atoms
- D.
Two or more molecules
- 3.The core contains the densest elements. What does the word "dense" mean in this sentence?
- A.
Far apart
- B.
Not that bright
- C.
Closely compacted together
- D.
Very thick
- 4.The two kinds of crust are continental and:
- A.
Oprahanic
- B.
Oceanic
- C.
Octopanic
- D.
None of the above
- 5.
- A.
It is thicker and less dense than oceanic crust.
- B.
It is up to 100km thick.
- C.
It can be found beneath the ocean.
- D.
If forms the continents.
- 6.Oceanic crust contains more ________ than continental crust.
- A.
Salt
- B.
Rocks
- C.
Iron
- D.
Magnesium
- 7.Most of the earth's mass is contained in the:
- A.
Crust
- B.
Mantle
- C.
Outer core
- D.
Inner core
- 8.
- A.
By digging down directly to it.
- B.
By studying rocks.
- C.
By observing the Earth's surface
- D.
By studying the ocean floor.
- 9.
- A.
It is 67% of the Earth's mass
- B.
It is about 3,00 km thick
- C.
It is less than 1% of the Earth's mass
- D.
It includes 3 different types
- 10.The crust is about 50-70km thick.
- A.
True
- B.
False
- 11.The inner core is liquified.
- A.
True
- B.
False
- 12.Scientist believe that the inner core is made mostly of:
- A.
Gold
- B.
Silver
- C.
Magnesium
- D.
Iron
- 13.Continental crust can be up to 100km thick.
- A.
True
- B.
False
- 14.How many meters are in a kilometer?
- A.
10
- B.
100
- C.
1,000
- D.
100,000
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