Who?? When??
Misc
Location
100

who named the outer core 

 Inge Lehmann

100

how much does the outer core weigh in percent of earth 

30%

100

how deep is the outer core from the crust 

1795 miles 


200

 Inge Lehmann often referred to herself as this 

The only danish seismologist 

200

the outer core spins in this direction 

west 

200

the outer core is approximately how thick

1400 miles 

300

where was the earthquake she studied 

new Zealand 

300

the outer core is growing by blank every year 

negative 1 mm

300

the outer layer is the blank physical layer 

4th

400

what year was  Inge Lehmann's paper published

1936

400

humans use the outer core for 

navigation

400

3200 miles below the surface is 

the outer core

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