WorksheetsSoil (Hawk)
Total questions: 16
Worksheet time: 7mins
Soil is the .................... layer of Earth.
lower
middle
upper
A mixture made up of broken-down pieces of rock and the decayed remains of once-living things.
Soil
rock
mineral
water
Soil contains air and water.
True
False
Soil can be a few centimeters deep or tens of meters deep.
True
False
Soil is formed from rocks through :
cooling
Melting
weathering and erosion.
Soil is formed very ...........................
slowly
quickly
Soil layers are called:
sand
horizons
rocks
The first horizon of the soil is called:
A horizon
B horizon
C horizon
bedrock
The last horizon of the soil is called:
A horizon
B horizon
C horizon
bedrock
The plant and animal remains are called
Bacteria
inorganic matter
organic matter
decomposer
A process begins with rocks and ends with soil
soil pollution
soil formation
soil degradation
soil erosion
The first step in soil formation is:
Parent rock breaks down.
Soil and the soil community develops.
Organisms add organic matter.
weathering
There are .................. main soil horizons:
1
2
3
4
From place to place, soil horizons are the same
True
False
The differences between different soil horizons depend on:
the original parent rock
climate
Both
The last step in soil formation is:
Parent rock breaks down.
Soil and the soil community develops.
Organisms add organic matter.
weathering
