Earth Subsystems

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Total cards: 17•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (17)

Front (Question)

Transitional boundary that divides the crust and upper mantle

Back (Answer)

Mohorovicic discontinuity

Front (Question)

Mohorovicic discontinuity was discovered by who and when?

Back (Answer)

Andrija Mohorovicic 1909

Front (Question)

Elements found in Crust

Back (Answer)

Oxygen Iron Aluminum Magnesium Calcium Sodium Potassium Silicon

Front (Question)

Sublayer directly below the crust and above upper mantle

Back (Answer)

Asthenosphere

Front (Question)

What is the Mantle made up of?

Back (Answer)

Silicate rocks

Front (Question)

How much does the mantle make up?

Back (Answer)

84% of the volume of our planet

Front (Question)

Rocks embedded or trapped in rocks that come straight from the volcano

Back (Answer)

Xenoliths

Front (Question)

Gutenberg Discontinuity was discovered by who and when?

Back (Answer)

Beno Gutenburg 1913

Front (Question)

Transitional boundary between the lower mantle and the outer core.

Back (Answer)

Gutenberg Discontinuity

#10

Front (Question)

What is core made out of?

Back (Answer)

Iron and nickel

#11

Front (Question)

The primary source of the earth’s magnetic field

Back (Answer)

Iron

#12

Front (Question)

Transitional boundary that divides the outer core and inner core.

Back (Answer)

Lehman Discontinuity

#13

Front (Question)

Lehman Discontinuity was discovered by who and when?

Back (Answer)

Inge Lehman 1929

#14

Front (Question)

Encompasses all the water found on earth

Back (Answer)

Hydrosphere

#15

Front (Question)

How much percentage does the water cover earth?

Back (Answer)

70%

#16

Front (Question)

This circulation is made possible by the interaction of energy and matter

Back (Answer)

Hydrological Cycle

#17

Front (Question)

How much percentage of the World’s water is considered potable?

Back (Answer)