Rocks/Soil Question Preview (ID: 42255)


Rocks/Soil Review. TEACHERS: click here for quick copy question ID numbers.

Which shows the layers from top to bottom?
a) bedrock, subsoil, topsoil
b) subsoil, topsoil, bedrock
c) topsoil, subsoil, bedrock
d)

More humus can be found in
a) Horizon A
b) Horizon B
c) Horizon C
d)

Solid bedrock can be found in
a) Horizon A
b) Horizon B
c) Horizon C
d) Horizon D

Partially weathered bedrock can be found in
a) Horizon A
b) Horizon B
c) Horizon C
d)

Subsoil can be found in
a) Horizon A
b) Horizon B
c) Horizon C
d)

Topsoil can be found in
a) Horizon A
b) Horizon B
c) Horizon C
d)

The layer of solid rock below the soil is(the parent rock).
a) topsoil
b) subsoil
c) bedrock
d)

Humus in the soil comes from
a) rock
b) bedrock
c) plants and animals
d)

Soil is made of
a) only organic matter
b) weathered rock and organic matter
c)
d)

Breaking down of rocks is called
a) erosion
b) weathering
c) irrigation
d)

Rocks are made of __________
a) living organisms
b) minerals
c) organic, liquids
d)

Which of these can be used to prove something is a mineral?
a) inorganic, liquid, comes from nature
b) comes from nature, solid, inorganic
c) solid, comes from nature, living
d)

Two things needed for metamorphic rocks
a) layers and pressure
b) compaction and cementing
c) heat and pressure
d)

Two things needed for sedimentary rocks
a) heat and pressure
b) compacting and cementing
c) heat and layers
d)

Igneous rocks are formed from
a) lava and magma
b) dead plants and animals
c) layers of sand and pressure
d)

Extrusive igneous rocks are formed
a) outside the earth's surface
b) inside the earth's surface
c)
d)

Intrusive igneous rocks are formed
a) outside the earth's surface
b) inside the earth's surface
c)
d)

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