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WorksheetsSOIL
Total questions: 20
Worksheet time: 3600secs
It consists of loose particles which contain organic substances, dissolved minerals, water and air.
plants
soil
rocks
fertilizer
Generally speaking, the darker a soil means _______
contains more nutrients
indicate lack of nutrients
Soil that contains decomposed plants or animals is called __________
humus
sand
silt
fertilizer
Which kind of soil do we use in constructing our buildings and houses?
clay
sand
loam
silt
How can soil be protected?
digging deeper
removing the top layer
disposing garbage properly
burn leaves in the soil surface
One effect of soil pollution is _________
more fresh air
plants grow well
healthy environment
disrupt plant growth
It is smaller than gravel.
Boulder
Sand
Silt
Clay
It is made up of very large pieces.
Boulder
Gravel
Silt
Clay
Have very fine particles.
Gravel
Sand
Silt
Clay
Composed of pieces smaller than Boulders.
Gravel
Sand
Silt
Clay
Have extremely fine particles that stick together when wet.
Gravel
Sand
Silt
Clay
Which kind of soil is best for plant growth?
clay soil
sand soil
silt soil
loam soil
What is Humus made up of?
decompose
decayed soil
decayed animal and plant parts
_______ is the type of soil used most often with plants and on farms. It is a mixture of clay, sand, and silt.
loam
soil
dirt
Which type of soil can hold the greatest amount of water?
sand
silt
loam
clay
It is important for soil to retain water to
help plants to grow
keep it from being dry
This type of soil is sticky when wet and hard when dry.
clay
silt
sand
gravel
Soil is made of
weathered rocks and minerals
dead plants and animals
air and water
all of the above
Many plants cannot grow in clay soil. Why is this true?
Clay soil does not have many nutrients.
Water doesn't drain well through clay.
Roots cannot easily push through clay soil.
All of these choices.
The following are ways on how soil be protected EXCEPT
Dispose garbage properly
Avoid too much fertilizer
Replace trees and plants that were cut
digging deeper
