Earth Systems And Geosphere Question Preview (ID: 49069)


Introduction To The Earth Systems, Cycles, And Some Detail About The Geosphere And Soil. TEACHERS: click here for quick copy question ID numbers.

What is soil made of?
a) rock, minerals, organic matter, air, water
b) rock, magma, iron
c) mostly air and water
d) rocks and minerals

Minerals must
a) 1) be crystals 2) have a definite composition 3) never been alive 4) made by nature
b) 1) be crystals 2) have a definite composition 3) must have been alive 4) made by humans
c) 1) have a definite composition 2) must have been alive 3) made by humans
d) 1) be rocks 2) have a definite composition 3) never been alive 4) made by nature

Which of these layers has more iron (Fe)?
a) core
b) lower mantle
c) upper mantle
d) crust

How does the soil form?
a) rocks break down over time and organic matter accumulates
b) organic matter slowly becomes rock
c) some magma from the mantle comes to the surface and becomes soil
d) soil is formed by dust that falls from the atmosphere

which part of the geosphere has the highest density?
a) core
b) lower mantle
c) upper mantle
d) crust

What is the atmosphere made of (mostly)?
a) mostly nitrogen (N₂)
b) mostly oxygen (O₂)
c) mostly hydrogen (H₂)
d) mostly carbon dioxide (CO₂)

Biosphere and Geosphere are made of
a) living things and rocks
b) air and water
c) rock and water
d) air and living things

Where is carbon in the form of CO2?
a) in the biosphere and in the atmosphere
b) in the biosphere and in the geosphere
c) in the atmosphere and in the hydrosphere
d) in the geosphere and in the hydrosphere

Atmosphere and Hydrosphere are made of
a) air and water
b) rock and water
c) air and living things
d) rock and air

What are the main Earth systems?
a) atmosphere, hydrosphere, geosphere, biosphere
b) atmosphere, chronosphere, geosphere, biosphere
c) exosphere, hydrosphere, geosphere, biosphere
d) atmosphere, ionosphere, geosphere, biosphere

Why is soil important?
a) living things can grow from it
b) it keeps the temperature of the Earth stable
c) it cleans the air from pollution
d) it produces oxygen

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