How much do you know about Earth Quiz at Quiztron
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How much do you know about Earth?
Fid out if you know.

1. How many layers of the Earth are there?
Seven
Five
Four
Three
 
2. What is the temperature of the Earth`s surface?
100degrees F
Various
 
3. What is the Gutenberg low velocity zone?
The boundry where seismic waves speed up.
The lithosphere
Tansisition from crust to uppermost mantle
A transittion zone also known as the asthenosphere
 
4. What is the Mohorovicic discontinuity?
The boundry where seismic waves speed up
Partcially melted material
A transition zone
 
5. What minerals make up the crust?
Calcium, aluminum,nergresium, iron,silicon,sodium,potassium, and oxygen
magnesium,iron,silicon, and oxygen
 
6. How deep is the base of the lithosphere?
155miles
40miles
398miles
385miles
 
7. How deep is the asthenosphere?
155miles
255miles
355miles
455miles
 
8. At the Gutenberg low velocity zon,the -------- is carried on top of weaker less rigd athenosphere which always is in movement. What is carried?
lithosphere
mantle
core
crust
 
9. What is the depth of the core?
10000000000miles
1800miles
3600miles
 
10. Another aprupt change in seimic waves pattenrns i caled:
The Mohovocic discontinuity
The Gutenberg dicontinuity
The Butenberg discontinuity
 
11. When seismic waves disappear completely what does that indicate?
There is liquid
There is solid
There is partcially melted material
 
12. How many degrees does the teperature go up?
1300degrees ferheneit
2500degrees ferhenheit
0 degrees fehrenheit
 
13. How many degrees does the teperature go up?
1300degrees ferheneit
2500degrees ferhenheit
0 degrees fehrenheit
 
14. What does the outer core consist of?
Nickel
Metal
Iron
Silver
 
15. The elctric currents in the outer core are believed to be responsible for?
Magentic feild
Plate tectonics
earthquakes
Tornadoes
 
16. The remaining seismic waves pass through the outer core and speed up, why?
The inner core is solid due to pressure
The outer core is atuall solid
The is nothing in the ceter o the earth
 
17. The remaining seismic waves pass through the outer core and speed up, why?
The inner core is solid due to pressure
The outer core is atuall solid
The is nothing in the ceter o the earth
 
18. Scientists believe inner core is made up of what?
Gold and silver
nickel and Iron
Diamonds and Sodium
 
19. How hot is the upper mantle ? (farheheit)
500-900
600-1000
 
20. How hot can the lower mantle get? (farhenheit)
10000
4090
6700
 
21. At its hottest,how hot can the outer core get? (farhenheit)
7460
4860
7650
7640
 
22. What was the astounding temperature the inner core reached? (farhenheit)
39777
12600
35876
 
 

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Created on:2/22/2011 7:15:20 AM
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